Keystone – Algebra I Review

What is the slope of the line that passes through the points (-6, 1) and (4, -4)?

• -2

• 2

• -1/2

• 1/2

Students in a ninth grade class measured their heights, h, in centimeters. The height of the shortest student was 155 cm, and the height of the tallest student was 190 cm. What inequality represents the range of heights?

• 155 < h < 190

• 155 ≤ h ≤ 190

• h ≥ 155 or h ≤ 190

• h > 155 or h < 190

The faces of a cube are numbered from 1 to 6. If the cube is tossed once, what is the probability that a prime number or a number divisible by 2 is obtained?

• 6/6

• 5/6

• 4/6

• 1/6

Which ordered pair is a solution set of the following system of inequalities?

y < 1/2 x + 4

y ≥ -x + 1

• (-5, 3)

• (0, 4)

• (3, -5)

• (4, 0)

Jack bought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of one slice of mushroom pizza?

• $1.50

• $2.00

• $3.00

• $3.50

Which equation represents a line that is parallel to the line y = -4x + 5?

• y = -4x + 3

• y = -1/4x + 5

• y = 1/4x + 3

• y = 4x + 5

Pam is playing with red and black marbles. The number of red marbles she has is three more than twice the number of black marbles she has. She has 42 marbles in all. How many red marbles does Pam have?

• 13

• 15

• 29

• 33