algebra 1 released items 2003. equations and inequalities

53
Algebra 1 Released Items 2003

Upload: sydney-hawkins

Post on 11-Jan-2016

217 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Algebra 1 Released Items 2003. Equations and Inequalities

Algebra 1 Released Items

2003

Page 2: Algebra 1 Released Items 2003. Equations and Inequalities

Equations and Inequalities

Page 3: Algebra 1 Released Items 2003. Equations and Inequalities

Which property of real numbers is

utilized by rewriting 11x + 5xy as

x(11 + 5y)?

1 2 3 4 5

25% 25%25%25%A. Associative property for addition

B. Commutative property for addition

C. Closure property for multiplication

D. Distributive property for multiplication over addition

Page 4: Algebra 1 Released Items 2003. Equations and Inequalities

What is the solution to2 - 4a = 16?

1 2 3 4 518 10

-7/2

-9/2

25% 25%25%25%A. 18B. 10C. -7/2D. -9/2

Page 5: Algebra 1 Released Items 2003. Equations and Inequalities

Tambria’s property has the shape of a trapezoid with the dimensions shown. If the

perimeter of the property is 3,279 feet, what is the value of x?

1 2 3 4 5 7

26 ft

781

.25

ft

913

.5 ft

1,4

52 ft

25% 25%25%25%

A. 726 ftB. 781.25 ftC. 913.5 ftD. 1,452 ft

Page 6: Algebra 1 Released Items 2003. Equations and Inequalities

Which graph best represents thefunction y = -4/3x + 2?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 7: Algebra 1 Released Items 2003. Equations and Inequalities

What is the solution to the inequality

7x - 5 > x + 1?

1 2 3 4 5

x <

1

x >

1

x >

-1

x <

5/2

25% 25%25%25%A. x < 1B. x > 1C. x > -1D. x < 5/2

Page 8: Algebra 1 Released Items 2003. Equations and Inequalities

Which line has a negative slope?

1 2 3 4 5

25% 25%25%25%A. AB. BC. CD. D

Page 9: Algebra 1 Released Items 2003. Equations and Inequalities

Which line most likely has a slope of ½ and y-intercept 3?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 10: Algebra 1 Released Items 2003. Equations and Inequalities

What is the slope of the graph of

y = 6x - 1?

1 2 3 4 5-6 -1 1

/6 6

25% 25%25%25%

A. -6B. -1C. 1/6D. 6

Page 11: Algebra 1 Released Items 2003. Equations and Inequalities

What is the slope of the line that goes through (-3, 2) and

(3, 2)?

1 2 3 4 5 U

ndefin

ed 0 2

/3 3

/2

25% 25%25%25%A. UndefinedB. 0C. 2/3D. 3/2

Page 12: Algebra 1 Released Items 2003. Equations and Inequalities

Which equation fits the data in the

table?

1 2 3 4 5

25% 25%25%25%A. B.

C. D.

Page 13: Algebra 1 Released Items 2003. Equations and Inequalities

Roy works at the local grocery store and is paid $6.00 per hour. The graph shown describes his salary, S, based on the number of hours, t, he

works. Which is an equation of the graph shown?

1 2 3 4 5

25% 25%25%25%

A. S = 6 + tB. S = 6tC. S = 6/tD. S = t/6

Page 14: Algebra 1 Released Items 2003. Equations and Inequalities

The equation of the line that contains the points (-8, 1) and (0, -

5) is —

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 15: Algebra 1 Released Items 2003. Equations and Inequalities

Which is the solution to the system of equations shown?

1 2 3 4 5

25% 25%25%25%

A. x = 1, y = 3B. x = 2, y = 2C. x = 3, y = 1D. x = 4, y = 0

Page 16: Algebra 1 Released Items 2003. Equations and Inequalities

A rectangle has a perimeter of 68 inches. Its length is 2 inches less than 3 times its width. What are the length

and width of the rectangle?

1 2 3 4 5

25% 25%25%25%

A. Length 22 in., width 12 in.

B. Length 25 in., width 9 in.C. Length 28 in., width 10

in.D. Length 22 in., width 8 in.

Page 17: Algebra 1 Released Items 2003. Equations and Inequalities

This is a graph of a system of equations. Which is most likely the solution to the

system of equations shown?

1 2 3 4 5

25% 25%25%25%

A. (0, 5)B. (1, 0)C. (3, 2)D. (2, 3)

Page 18: Algebra 1 Released Items 2003. Equations and Inequalities

2x2 - 3x + 1 = 0Which is the solution set for

theequation above?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 19: Algebra 1 Released Items 2003. Equations and Inequalities

x2 – 4 = 0Which is the solution set for

theequation above?

1 2 3 4 5

25% 25%25%25%A. {-4, 1}B. {-2, 2}C. {-1, 4}D. {0, 4}

Page 20: Algebra 1 Released Items 2003. Equations and Inequalities

Expressions and Operations

Page 21: Algebra 1 Released Items 2003. Equations and Inequalities

What is the value of 3x2 - y2 if x = 1

and y = 3?

1 2 3 4 512 -3 -6 -1

2

25% 25%25%25%A. 12B. -3C. -6D. -12

Page 22: Algebra 1 Released Items 2003. Equations and Inequalities

Which expression correctly represents

$10 less than twice the cost, c?

1 2 3 4 5

10

- 2c

10

- 2 +

c

2c

- 10

c/2

- 10

25% 25%25%25%A. 10 - 2cB. 10 - 2 + cC. 2c - 10D. c/2 - 10

Page 23: Algebra 1 Released Items 2003. Equations and Inequalities

Which is equivalent to

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 24: Algebra 1 Released Items 2003. Equations and Inequalities

Consider the following models.

What polynomial is represented by thefollowing?

1 2 3 4 5

25% 25%25%25%

A. 3x2 - x - 5B. 3x2 - 7x - 5C. 3x2 + 7x - 5D. 3x2 + x - 5

Page 25: Algebra 1 Released Items 2003. Equations and Inequalities

Consider the following models.

Which expression represents the areaof the diagram below?

1 2 3 4 5

x2

+ 5x

+ 4

2x

+ 5

4x

+ 10

x2

+ 4

25% 25%25%25%

A. x2 + 5x + 4B. 2x + 5C. 4x + 10D. x2 + 4

Page 26: Algebra 1 Released Items 2003. Equations and Inequalities

The continent of North America has an area of approximately 9.4 x 106 square miles. The area of Asia is approximately

1.74 x 107 square miles. How many square miles larger is Asia than North

America?

1 2 3 4 5

25% 25%25%25%A. 7.6 x 101

B. 7.6 x 10-1

C. 8.0 x 106

D. 8.0 x 101

Page 27: Algebra 1 Released Items 2003. Equations and Inequalities

Which expression is equivalent to

(9x + 1)(9x - 1)?

1 2 3 4 5

18x

81x

2 - 1

18x

2 - 1

81x

2 - 1

8x -

1

25% 25%25%25%A. 18xB. 81x2 - 1C. 18x2 - 1D. 81x2 - 18x - 1

Page 28: Algebra 1 Released Items 2003. Equations and Inequalities

What is one of the factors ofx2 - 2x - 15?

1 2 3 4 5

(x

- 3)

(x

- 5)

(x

+ 1)

(x

+ 15

)

25% 25%25%25%A. (x - 3)B. (x - 5)C. (x + 1)D. (x + 15)

Page 29: Algebra 1 Released Items 2003. Equations and Inequalities

When completely factored,4 - 16x + 28y equals —

1 2 3 4 5 4

(1 -

4x +

7y)

4(1

- 4x

) + 2

8y

(4 -

7y)(1

+ 4

x)

4 -

4(4x

- 7y

)

25% 25%25%25%

A. 4(1 - 4x + 7y)B. 4(1 - 4x) + 28yC. (4 - 7y)(1 + 4x)D. 4 - 4(4x - 7y)

Page 30: Algebra 1 Released Items 2003. Equations and Inequalities

The area of a rectangle is represented

by the expression2x2 + 5x + 2.

Which is an equivalent expression for

this area?

1 2 3 4 5

25% 25%25%25%A. (2x + 2)(x + 1)B. (2x + 3)(x + 2)C. (2x + 1)(x + 4)D. (2x + 1)(x + 2)

Page 31: Algebra 1 Released Items 2003. Equations and Inequalities

Which is closest to the value of x if

x = 2√7?

1 2 3 4 53.

23.

75.

39.

9

25% 25%25%25%

A. 3.2B. 3.7C. 5.3D. 9.9

Page 32: Algebra 1 Released Items 2003. Equations and Inequalities

What is the value of √3.2/2to the nearest tenth?

1 2 3 4 5

25% 25%25%25%A. 0.7B. 0.9C. 1.3D. 1.5

Page 33: Algebra 1 Released Items 2003. Equations and Inequalities

Relations and Functions

Page 34: Algebra 1 Released Items 2003. Equations and Inequalities

The numbers in this table follow alinear pattern. What is the missing

value?

1 2 3 4 5

25% 25%25%25%A. 7B. 8C. 9D. 10

Page 35: Algebra 1 Released Items 2003. Equations and Inequalities

Which of these data sets represents a function?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 36: Algebra 1 Released Items 2003. Equations and Inequalities

Loki said the following graph does not represent a function of x. Which pair of points could Loki

use to prove that her statement is correct?

1 2 3 4 5

(-3,

4) a

nd (...

(-4,

3) a

nd (..

(-3,

4) a

nd (...

(-5,

0) a

nd (..

25% 25%25%25%

A. (-3, 4) and (-3,-4)B. (-4, 3) and (4, 3)C. (-3, 4) and (4,-3)D. (-5, 0) and (5, 0)

Page 37: Algebra 1 Released Items 2003. Equations and Inequalities

What is the apparent range of the function of x shown?

1 2 3 4 5

25% 25%25%25%

A. The set of all real numbers greater than or equal to 4

B. The set of all real numbers greater than or equal to 1

C. The set of all real numbers less than or equal to 1

D. The set of all real numbers

Page 38: Algebra 1 Released Items 2003. Equations and Inequalities

Which equation best describes this graph?

1 2 3 4 5

25% 25%25%25%

A. y = -xB. y = 2x + 2C. y = x - 2D. y = x + 2

Page 39: Algebra 1 Released Items 2003. Equations and Inequalities

If ƒ(x) = -2x + 3, what is ƒ(-4)?

1 2 3 4 5-5 -1 5.

5 11

25% 25%25%25%A. -5B. -1C. 5.5D. 11

Page 40: Algebra 1 Released Items 2003. Equations and Inequalities

The chart shows how the wholesale price of an item, p, depends on the cost of the materials needed to produce the item, m.

Which equation represents this linear relationship?

1 2 3 4 5

25% 25%25%25%

A. p = m + 3.5B. p = 2m + 3C. p = 3m + 2.5D. p = 4m + 2

Page 41: Algebra 1 Released Items 2003. Equations and Inequalities

What is the range of the functionƒ(x) = 3x - 1 when the domain is

{-1, 0, 1}?

1 2 3 4 5

25% 25%25%25%A. {-1, 2}B. {-1, 0, 1}C. {1, 2, 4}D. {-4, -1, 2}

Page 42: Algebra 1 Released Items 2003. Equations and Inequalities

Which of the following does notrepresent a function of x?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 43: Algebra 1 Released Items 2003. Equations and Inequalities

Which is a zero of the functionƒ(x) = x2 + 6x - 7?

1 2 3 4 5-7 -6 7 41

25% 25%25%25%A. -7B. -6C. 7D. 41

Page 44: Algebra 1 Released Items 2003. Equations and Inequalities

Jill was looking at a picture of herself and 3 friends. She measured the height of her image as 10 centimeters. If Jill is actually

60 inches tall, which equation can she use to find h, the actual height in inches, of

one of her friends who is ccentimeters tall in the picture?

1 2 3 4 5

25% 25%25%25%A. h = 10cB. h = 6cC. h = 5/3cD. h = 1/6c

Page 45: Algebra 1 Released Items 2003. Equations and Inequalities

The gas pressure in a chamber varies directly with the temperature in the

chamber. If the pressure in the chamber is 150 atmospheres (atm) when the chamber

is at 50°F, what is the pressure in the chamber when the temperature of the

chamber is 75°F?

1 2 3 4 5

25% 25%25%25%

A. 175 atmB. 200 atmC. 225 atmD. 275 atm

Page 46: Algebra 1 Released Items 2003. Equations and Inequalities

Statistics

Page 47: Algebra 1 Released Items 2003. Equations and Inequalities

is equal to which matrix?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 48: Algebra 1 Released Items 2003. Equations and Inequalities

-2D =?

1 2 3 4 5

25% 25%25%25%

A. B.

C. D.

Page 49: Algebra 1 Released Items 2003. Equations and Inequalities

Barry’s daily grades for one grading period are shown below.

94, 88, 87, 92, 78, 88, 93, 100, 92, 90, 92, 85

What was the mode of his daily grades?

1 2 3 4 5 93 92 91 90

25% 25%25%25%

A. 93B. 92C. 91D. 90

Page 50: Algebra 1 Released Items 2003. Equations and Inequalities

The stem-and-leaf plot shows the results of a science experiment in which 12 plants were

each given adifferent combination of water and nutrients

over a period of time and their growth in millimeters measured. What was the median

number ofmillimeters of growth?

1 2 3 4 5

25% 25%25%25%

A. 14B. 15C. 16D. 17

Page 51: Algebra 1 Released Items 2003. Equations and Inequalities

Connie made a scatterplot comparing the shoulder heights of her friends’ dogs to their weights. Connie’s dog stands 28 inches to his shoulder. Using a line of best fit for the plot,

which is the best prediction for her dog’s weight?

1 2 3 4 5

25% 25%25%25%

A. 40 poundsB. 55 poundsC. 65 poundsD. 70 pounds

Page 52: Algebra 1 Released Items 2003. Equations and Inequalities

Scott made a box-and-whisker graph of the soccer goals made by the players in

his district. What is the range of the goals made by the players?

1 2 3 4 5

25% 25%25%25%A. 24B. 18C. 6D. 4

Page 53: Algebra 1 Released Items 2003. Equations and Inequalities

Which equation best represents the data shown in the scatterplot?

1 2 3 4 5

25% 25%25%25%

A. y = 2x - 2B. y = x/2 - 2C. y = 2x + 2D. y = x - 1