exam review chapters 7-13. q1. expand: (2 - 3y) 4
TRANSCRIPT
![Page 1: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/1.jpg)
Exam
Review
Chapters 7-13
![Page 2: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/2.jpg)
Q1.
Expand:
(2 - 3y)4
![Page 3: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/3.jpg)
A1.
16 – 96y + 216y2 - 216y3 + 81y4
![Page 4: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/4.jpg)
Q2.
Find the coefficient of a6 in (5 – 3a)10.
ix x)
![Page 5: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/5.jpg)
A2.
95,681,250
![Page 6: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/6.jpg)
Q3.
Find the 8th term in the expansion
of (2x – 3)15.
![Page 7: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/7.jpg)
A3.
-3,602,776,320x8
![Page 8: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/8.jpg)
Q4.
State the
Law of Sines.
![Page 9: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/9.jpg)
A4.
sinα = sinβ
= sin γ
a b c
![Page 10: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/10.jpg)
Q5.
State the
Law of Cosines.
![Page 11: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/11.jpg)
A5.
a² = b² + c² - 2bccosα
![Page 12: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/12.jpg)
Q6.
State the
Pythagorean
Identity.
![Page 13: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/13.jpg)
A6.
cos²θ + sin²θ = 1
![Page 14: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/14.jpg)
Q7.
A vector is a quantity with
? and ?.
![Page 15: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/15.jpg)
A7.
magnitude
and
direction
![Page 16: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/16.jpg)
Q8.
A vector with a magnitude of one is called
a ?.
![Page 17: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/17.jpg)
A8.
unit vector
![Page 18: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/18.jpg)
Q9.
A vector whose initial point is at the origin is
called a ?.
![Page 19: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/19.jpg)
A9.
position vector
![Page 20: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/20.jpg)
Q10.
If v = ai + bj, then a and b
are called the ?.
![Page 21: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/21.jpg)
A10.
components
![Page 22: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/22.jpg)
Q11.
The set of all points equidistant from a point and a
line is called a(n) ?.
![Page 23: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/23.jpg)
A11.
parabola
![Page 24: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/24.jpg)
Q12.
The set of all points such that the sum of the distances from
two fixed points is a constant is called
a(n) ?.
![Page 25: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/25.jpg)
A12.
ellipse
![Page 26: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/26.jpg)
Q13.
The set of all points such that the
difference of the distances from two
fixed points is a constant is called
a(n) ?.
![Page 27: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/27.jpg)
A13.
hyperbola
![Page 28: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/28.jpg)
Q14.
The line associated
with a parabola is called the ?.
![Page 29: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/29.jpg)
A14.
directrix
![Page 30: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/30.jpg)
Q15.
The two fixed points of an
ellipse or hyperbola are
called ?.
![Page 31: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/31.jpg)
A15.
foci
![Page 32: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/32.jpg)
Q16.
Which conic has transverse and conjugate
axes?
![Page 33: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/33.jpg)
A16.
hyperbola
![Page 34: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/34.jpg)
Q17.
What equation will help you
find the foci for a hyperbola?
![Page 35: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/35.jpg)
A17.
b² = c² - a²
![Page 36: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/36.jpg)
Q18.
Identify the conic:
2 27 8 24
4 5 2 5 15 0
y x xy
x y
![Page 37: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/37.jpg)
A18.
hyperbola
![Page 38: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/38.jpg)
Q19.
A rectangular array of
numbers is called a(n) ?
![Page 39: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/39.jpg)
A19.
matrix
![Page 40: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/40.jpg)
Q20.
A triangular display of binomial
coefficients is called ?
![Page 41: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/41.jpg)
A20.
Pascal’s Triangle
![Page 42: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/42.jpg)
Q21.
What are the dimensions of the following matrix?
3
1
0
![Page 43: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/43.jpg)
A21.
3 x 1
![Page 44: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/44.jpg)
Q22.
Write I3.
![Page 45: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/45.jpg)
A22.
1 0 0
0 1 0
0 0 1
![Page 46: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/46.jpg)
Q23.
A sequence is a function whose ?
is the set of positive integers.
![Page 47: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/47.jpg)
A23.
domain
![Page 48: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/48.jpg)
Q24.
A sequence whose difference between
successive terms is a constant is ?.
![Page 49: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/49.jpg)
A24.
arithmetic
![Page 50: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/50.jpg)
Q25.
A sequence whose ratio between
successive terms is a constant is ?.
![Page 51: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/51.jpg)
A25.
geometric
![Page 52: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/52.jpg)
Q26.
Evaluate:
11
9
![Page 53: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/53.jpg)
A26.
55
![Page 54: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/54.jpg)
Q27.
A vector with a magnitude of
zero is called a ?.
![Page 55: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/55.jpg)
A27.
zero vector
![Page 56: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/56.jpg)
Q28.
Evaluate:
a.) p(0)
b.) lim p(s) x→0
![Page 57: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/57.jpg)
A28.
a.) 0
b.) DNE
![Page 58: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/58.jpg)
Q29.
Evaluate:
a.) G(2)
b.) lim G(x) x→2
![Page 59: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/59.jpg)
A29.
a.) 3
b.) 1
![Page 60: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/60.jpg)
Q30.
Name another polar
coordinate for(-2, -π/3)
![Page 61: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/61.jpg)
A30.
(-2, 5π/3)
(2, 2π/3)
(2, -4π/3)
![Page 62: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/62.jpg)
Q31.
Convert to polar coordinates:
(-4, 0)
![Page 63: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/63.jpg)
A31.
(4, π)
(4, 180˚)
![Page 64: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/64.jpg)
Q32.
Convert to rectangular
coordinates:(-2, 5π/6)
![Page 65: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/65.jpg)
A32.
(√3, -1)
![Page 66: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/66.jpg)
Q33.
Write the rectangular form of the equation:
r = 4sinθ
![Page 67: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/67.jpg)
A33.
x² + (y-2)² = 4
![Page 68: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/68.jpg)
Q34.
How many petals does
r = 3cos5θ?
![Page 69: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/69.jpg)
A34.
5
![Page 70: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/70.jpg)
Q35.
In which quadrant does
-1 – 5i fall?
![Page 71: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/71.jpg)
A35.
III quadrant
![Page 72: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/72.jpg)
Q36.
Identify the graph:
r = 4 – 5cosθ
![Page 73: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/73.jpg)
A36.
limaçon with inner loop
![Page 74: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/74.jpg)
Q37.
In which quadrant does the point with polar coordinates of
(-3,2π/3) fall?
![Page 75: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/75.jpg)
A38.
IV quadrant
![Page 76: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/76.jpg)
Q39.
Simplify: cos262˚ + sin262˚
![Page 77: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/77.jpg)
A39.
1
![Page 78: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/78.jpg)
Q40.
What is the length of the hypotenuse in the
right triangle below?
43˚
7
![Page 79: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/79.jpg)
A40.
10.26
![Page 80: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/80.jpg)
Q41.
Find a: 14
38˚ 8
a
![Page 81: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/81.jpg)
A41.
no such triangle
![Page 82: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/82.jpg)
Q42.
If v · w = 0, then the two vectors v and w are ?.
![Page 83: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/83.jpg)
A42.
orthogonal
![Page 84: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/84.jpg)
Q43.
If v x u = 2i + j – 3k,
then u x v =
![Page 85: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/85.jpg)
A43.
-2i – j + 3k
![Page 86: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/86.jpg)
Q44.
The following is the standard equation for which conic?
2 2( 2) ( 1)1
4 7y x
![Page 87: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/87.jpg)
A44.
hyperbola
![Page 88: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/88.jpg)
Q45.
Solve:
6x – 4y = 20
4x + y = 6
![Page 89: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/89.jpg)
A45.
(2, -2)
![Page 90: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/90.jpg)
Q46.
Solve:
x² – y = 4
2x + y = -1
![Page 91: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/91.jpg)
A46.
(-3, 5)
(1, -3)
![Page 92: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/92.jpg)
Q47.
Solve:x + y + z = 3x - z = 1y – z = -4
![Page 93: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/93.jpg)
A47.
(3, -2, 2)
![Page 94: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/94.jpg)
Q48.
Solve:
x – √5y = 2.7
3.4x + 2y = 6.1
![Page 95: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/95.jpg)
A48.
(1.983, -.321)
![Page 96: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/96.jpg)
Q49.
Evaluate:1 2 1 2
0 4 3 4
5 2 0 2
7 3 4 3
![Page 97: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/97.jpg)
A49.
0
![Page 98: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/98.jpg)
Q50.
Evaluate: 11
8
6
k k
![Page 99: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/99.jpg)
A50.
-2.56
![Page 100: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/100.jpg)
Q51.
Evaluate:
4
1
1
1limx
x
x
![Page 101: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/101.jpg)
A51.
4
![Page 102: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/102.jpg)
Q52.
Evaluate:
1/37
lim 3 6x
x
![Page 103: Exam Review Chapters 7-13. Q1. Expand: (2 - 3y) 4](https://reader034.vdocument.in/reader034/viewer/2022042503/56649e3b5503460f94b2dc72/html5/thumbnails/103.jpg)
A52.
3