calcu techs
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Calculator TechniquesTRANSCRIPT
Calculator and Math Techniques using Casio 991-ES
“A man is like a fraction whose numerator is
what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.”
—Leo Tolstoy
Hint: Maglet ng value ng x for the equation then gamitin the same “x” sa mga choices. Kung anu yung same na sagot, that’s the answer.
Answer: a.
EE Board April 1996, March 1998The polynomial x3+4x2-3x+8 is divided by x-5, then the remainder is
a. 175 c. 218 b. 140 d. 200
EE Board Oct. 1994One number is 5 less than the other. If their sum is 135, whatare the numbers?
a. 85,50 c. 70,65 b. 80,55 d. 75,60
Arithmetic ProgressionFind the 14th term in the arithmetic sequence: 1,3,5,7
a. 25 c. 29 b. 27 d. 31
CE Board May 1995What is the sum of the progression 4,9,14,19 up to the 20th term?
a. 1030 c. 1040 b. 1035 d. 1045
CE Board May 1993,1994How many terms of the progression 3,5,7…. must be taken in order that their sum will be 2600?
a. 48 c. 50 b. 49 d. 51
EE Board Oct 1991The Fourth term of G.P. is 216 and 6th term is 1944. Find the 8th term ?
a. 17649 c. 16749 b. 17496 d. 17964
ECE Board April 1998
The sum of the first 10 terms of a geometric progression 2,4,8 is?
a. 1023 c. 225 b. 2046 d. 1596
• Find the area of a triangle whose sides are 30,16 and 34 units.
• 240 sq. units• 420 sq. units• 320 sq units• 200 sq. units
ECE Board November 1990In a cartesian coordinates, the vertices of a triangle are defined by the following points: (-2,0),(4,0) and (3,3). What is the area?•8 sq. units•9 sq. units•10 sq. units•11 sq. units
Practice:EE Board April 1994Given three vertices of a triangle whose coordinates are (1,1), (3,-3) and (5,-3). Find the area of the triangle.•3 sq. units•4 sq. units•5 sq. units•6 sq. units
In a cartesian coordinates, the vertices of a square are: (1,1),(0,8),(4,5) and (3,-4).
•20 sq. units•30 sq. units•25 sq. units•35 sq. units
Two sides of triangle measures 6 cm and 8 cm and their included angle is 40°. Find the third side.
•5.144 cm•4.256 cm•5.263 cm•5.645 cm
What is the equation of the line that passes thru (4,0) and is parallel to the line x-y-2=0
•x-y+4=0•x+y+4=0•x-y-4=0•x-y=0
The sum of two positive numbers is 50. what are the numbers if their product is to be the largest.
•24 & 26•28 & 22•25 & 25•20 & 30
What is the integral of (3t-1)3dt?
A. (1/12) (3t-1)4 + CB. (1/12) (3t-4)4 + CC. (1/4) (3t-1)4 + CD. (1/4) (3t-1)3 + C
PracticeIntegrate: (7x3 + 4x2)dx
•(7x3/3) + (4X2/2) + C•(7x4/4) + (4X2/5) + C•(7x4/4) + (4X3/3) + C•7x4 - (4X/2) + C
Solve 3x(xy-2)dx + (x3 + 2y)dy=0
•x2y – x + y = C•x3y – 3x2 + y2 = C•x2y + x + y2 = C•x3y –x2 + y = C
Radium decomposes at a rate proportional to the amount at any instant. In 100 years, 100 mg of radium decomposes tom 96 mg. How many mg will be left after 200 years?•50.2 mg•92.16 mg•76.3 mg•81.2 mg
PracticeA radioactive substance decreases form 10 grams to 9 grams in two hours. Find its half life.
•10.19 hr•11.49 hr•12.89 hr•13.16 hr