Depth of Knowledge Mastery

Front

Which of the following is a quantity that can be modeled by a linear function? A) The area of a circle as a function of its radius B) The total cost of apples if each apple costs $0.50 C) The volume of a cube as a function of its side length D) The population of a city doubling every year

Back

B) The total cost of apples if each apple costs $0.50

Front

Which variable is the dependent variable in the equation y = 3x + 2? A) x B) y C) 3 D) 2

Back

B) y

Front

A car rental company charges a flat fee of 20 plus 0.15 per mile driven. Which equation models the total cost C for m miles? A) C = 20 + 0.15m B) C = 0.15 + 20m C) C = 20m + 0.15 D) C = 20 - 0.15m

Back

A) C = 20 + 0.15m

Front

Solve for x: x + 7 = 12 A) x = 5 B) x = 19 C) x = -5 D) x = 7

Back

A) x = 5

Front

What is the solution to 2x = 10? A) x = 5 B) x = 8 C) x = 12 D) x = 20

Back

A) x = 5

Front

Solve for x: 3x - 4 = 11 A) x = 5 B) x = 7 C) x = 3 D) x = 15

Back

A) x = 5

Front

Solve for x: 2x + 5 = 17 A) x = 6 B) x = 11 C) x = 12 D) x = 5

Back

A) x = 6

Front

Solve for x: 4x + 3 = 2x + 11 A) x = 4 B) x = 7 C) x = 2 D) x = 8

Back

A) x = 4

Front

What is the solution to 5x - 2 = 3x + 6? A) x = 4 B) x = 2 C) x = 8 D) x = 1

Back

B) x = 4

Front

Solve for x: |x - 3| = 7 A) x = 10 or x = -4 B) x = 4 or x = -10 C) x = 7 or x = -7 D) x = 3 or x = -3

Back

A) x = 10 or x = -4