Pre-Algebra
8 is 12% of what number?
A. 60
B. 62
C. 66
D. 66.6
D. 66.6
Solve for x: 4x+5 = 21
A) 4
B) 6
C) 7
D) 8
A) 4
What is the x-intercept of the line: 3x - 2y = 12
A. (4,0)
B. (0,-6)
C. (12,0)
D. (0,4)
A. (4,0)
Simplify the square root of 75
A. 3 square root 5
B. 5 square root 3
C. 5
D. 3
B. 5 square root 3
Find the median of the following data set: 10, 15, 12, 18, 10, 20, 15.
A. 15
B. 14.3
C. 12
D. 10
A. 15
1/4 + 2/5 = ?
A. 3/9
B. 2/20
C. 13/20
D. 3/20
C. 13/20
Find the Slope: 4x+3y=12:
A) 3/4
B) 1/4
C) -4/3
D) -3/4
C) -4/3
Simplify the expression:
(3x2y4)(2xy2)
A) 5x2y8
B) 5x3y6
C) 6x2y8
D) 6x3y6
D) 6x3y6
The hypotenuse of a right triangle is 25 units, and one leg is 7 units. Find the length of the other leg.
*Hint: a2+b2=c2
A. 24
B. 18
C. 32
D. 576
A. 24
What is the range of the following set: 5.2, 1.8, 10.1, 3.5, 7.0 ?
A. 8.3
B. 10.1
C. 1.8
D. 5.52
A. 8.3
Six times a number plus the sum of three
times a number and –4.
A. 6(2x-4)
B. 4(2x-6)
C. 6x+(3x-4)
D. 4(6x-3)
C. 6x+(3x-4)
Solve the equation:
6x+3(x+6)=3x+24
x=?
A) 1
B) 2
C) 3
D) 4
A) 1
Solve for the System of Equations:
2x - y = 12
x = 3
A. (-6,3)
B. (6,4)
C. (-3, 6)
D. (3, -6)
D. (3,-6)
A cone has a radius of 6 cm and a height of 7 cm. What is its volume?
*Hint: V = 1/3 pi r2 h
A. 263.76
B. 131.88
C. 791.28
D. 22
A. 263.76
Find the mean of –4, 6, 10, 3, –5, 12.
A) 3/11
B) 4/11
C) 7/12
D) 11/3
D. 11/3
Simplify: 12 - 3(42 - 10)
A) -6
B) -42
C) 6
D) 10
A) -6
Find the slope between two points: (-3,2) and (9,-8)
A) -10/12
B) -3/4
C) 5/6
D) -5/6
D) -5/6
Factor the following quadratic equation:
x2 − 4x − 96
A. (x+8)(x-12)
B. (x-8)(x+12)
C. (x-6)(x+16)
D. (x+6)(x-16)
A. (x+8)(x-12)
ABC is a triangle. the height: AB=18,
the base: BC=8, Find the area of ∆ABC.
*Hint: A= bh/2
A) 60
B) 72
C) 46
D) 48
B) 72
In a box of 20 toys, 8 are red and the rest are blue. What is the ratio of all toys to blue toys?
A) 12:20
B) 20:8
C) 3:5
D) 5:3
D) 5:3
The TSI Math book’s original price is
$60. It is sold for $45. What is the rate of
discount?
A) 15%
B) 20%
C) 25%
D) 30%
C) 25%
If F(x) = x3 - 4x, Find the value of F(-1)
A) 3
B) -5
C) 5
D) -3
A) 3
Multiply the two polynomials:
(2−3x)(4x+5)
A. -7x+10-12x2
B. -12x2+10-7x
C. -12x2-7x+10
D. -12x2-23x+10
C. -12x2-7x+10
Find the equation of the line parallel to y=-4x+5 and passing through (-3,2)
A. y = 1/4x + 5/4
B. y = 1/4x - 10
C. y = -4x + 14
D. y = -4x - 10
D. y = -4x - 10
Numbers from 1 to 80 are written on
cards separately and put into a box .One
of the cards is selected randomly. What is
the probability of selecting either an even
number or an odd number under 10?
A) 9/16
B) 9/17
C) 8/17
D) 8/19
A) 9/16