Coach Howard's 8th Grade ACAP Math Challenge

Simplify the expression: 3x + 2y - 5x + 4y

• -2x + 2y

• -2x + 6y

• -2x + 6y

• 8x - 3y

Solve the equation: 2x + 5 = 17

• x = 12

• x = 10

• x = 6

• x = 8

Determine if the following relation is a function: {(1, 2), (3, 4), (1, 5)}

• Maybe

• Yes

• Sometimes

• No

Calculate the area of a triangle with base 6 cm and height 8 cm

• 30 square cm

• 24 square cm

• 48 square cm

• 14 square cm

Find the mean of the following data set: 12, 15, 18, 21, 24

• 22

• 18

• 16

• 20

If you roll a fair six-sided die, what is the probability of rolling a prime number?

• 1/5

• 1/4

• 1/2

• 1/3

Solve for x: 3(x + 4) = 27

• x = 10

• x = 7

• x = 12

• x = 5

Given a circle with radius 5 cm, find the circumference of the circle

• 15.70795 cm

• 31.4159 cm

• 20.123 cm

• 25.1327 cm

What is the mode of the following set of numbers: 5, 7, 8, 5, 9, 5, 7

• 5

• 10

• 6

• 3

If two angles are complementary and one angle measures 30 degrees, what is the measure of the other angle?

• 75

• 45

• 60

• 90