Equation Quest
What is the value of 9 x 8 ÷ 3?
A. 18
B. 24
C. 27
D. 36
What is B?
9 x 8 = 72
72 ÷ 3 = 24
What is the square root of 144?
A. 12
B. 16
C. 18
D. 24
What is 12?
The square root of 144 is 12.
Which fraction is equivalent to 3/5?
A. 6/8
B. 6/10
C. 9/15
D. 12/20
What is B?
3/5 = 6/10
Simplify:
3/4 ÷ (2/3)
A. 9/8
B. 3/2
C. 8/9
D. 2/3
What is A?
9/8
How many degrees are in a circle?
A. 180
B. 270
C. 360
D. 450
What is C?
There are 360 degrees in a circle.
Simplify: (6 x 5) - (4 x 7)
A.2
B. 18
C. 22
D. 32
What is A?
(6 x 5) - (4 x 7) =
30 - 28 = 2
Simplify: -3(4 - 2) + 9.
A. 3
B. 9
C. 15
D. 21
What is A?
-3(4 - 2) + 9 =
-3(2) + 9 =
-6 + 9 = 3
What is the prime factorization of 60?
A. 2 x 3 x 5
B. 2 x 2 x 3 x 5
C. 2 x 2 x 3 x 10
D. 2 x 2 x 2 x 3 x 5
What is B?
2 x 2 x 3 x 5 is the prime factorization of 60.
What is 30% of 60?
A. 15
B. 18
C. 20
D. 25
What is B?
18
Angle PQR measures 110 degrees. What is the supplementary angle?
A. 60 degrees
B. 70 degrees
C. 110 degrees
D. 170 degrees
What is B?
Supplementary angles add up to 180∘ To find the supplementary angle of 110, subtract it from 180:
So, the supplementary angle is 70∘
32 is 40% of what number?
A. 80
B. 128
C. 150
D. 160
What is A?
32 is 40% of x
0.4x = 32
32 ÷ 0.4 = 80
The ratio of boys to girls in a class is 3:5. If there are 15 girls, how many boys are there?
A. 9
B. 12
C. 18
D. 25
What is A?
(3/5) x 15 = 9 boys
What is the prime factorization of 144?
A. 2 * 72
B. 2^4 * 3^2
C. 4 * 36
D. 2^4 * 9
What is B?
2^4 * 3^2
Joe scored 80, 90, 85, 95, and 100 on 5 math tests. What was his average test score?
A. 85
B. 88
C. 90
D. 95
What is C?
90
32 gallons of paint will cover 640 sq. ft. At this rate, how many gallons are needed to paint a wall with an area of 120 sq. ft?
A. 6
B. 7
C. 8
D. 9
What is A? 6 gallons
32 gallons of paint will cover 640 sq. ft. So to cover 120 sq. ft. requires (120/640) x 32 =
6 gallons (approximately)
If f(x) = 2x + 5, what is f(3)?
A. 11
B. 13
C. 15
D. 17
What is A?
11
f(x) = 2x + 5, so f(3) = 2(3) + 5 = 6 + 5 = 11
The probability of drawing a red marble from a bag is 3/8. What is the probability of not drwaing a red marble?
A. 3/5
B. 5/8
C. 1/4
D. 1/2
What is B.
The probability of red is 3/8. Probability of not red is:
1 - 3/8 = 5/8
Factor completely:
x^2 + 5x + 4
A. (x + 1)(x + 4)
B. (x + 2)(x + 2)
C. (x + 4)(x + 1)
D. (x - 1)(x -4)
What is C?
(x + 4)(x + 1)
If 3x - 2 = 15, then x = ?
A. 3
B. 5
C. 7
D. 19
What is B?
5
What is the slope of a line that passes through (1,2) and (4,5)?
A. 1
B. 3
C. 4/3
D. 3/4
What is A?
1
What is the next number in the sequence:
27, 9, 3...?
A. 1
B. 27
C. 81
D. 243
What is A?
1
What is the mean of the following data set?
{1, 5, 7, 10, 15}
A. 5
B. 6
C. 7
D. 8
What is C? 7
Mean = sum of values/number of values.
Sum = 1 + 5 + 7 + 10 + 15 = 38.
Number of values = 5
Mean = 38/5 = 7 (actually 7.6)
Why are all of these Catholic high schools so lucky to have you test there?
Because you come from a BLUE RIBBON SCHOOL!
A jacket originally costs $120. The jacket is on sale for 25% off the original price. What is the sale price of the jacket?
A. $85
B. $67
C. $100
D. $90
What is D?
$90
The measures of two supplementary angles are in the ration 2:7. What is the measure of the smaller angle?
A. 20°B. 30°
C. 40°
D. 50°
What is C? 40°