Pre-Algebra Concepts for 8th Grade

Simplify the expression: 3(2x + 4) - 2(3x - 1)

• 22

• 10

• 18

• 14

Find the value of x in the equation: 5x + 8 = 23

• 3

• 10

• 6

• 4

Solve for y: 2y - 7 = 11

• y = 5

• y = 7

• y = 12

• y = 9

What is the slope of the line passing through the points (2, 5) and (4, 9)?

• 3

• 2

• 4

• 6

If 4x - 3 = 5, what is the value of x?

• 4

• 6

• 3

• 2

Evaluate the expression: 2(3x - 5) + 4(2x + 1)

• 14x - 5

• 10x - 6

• 14x - 6

• 6x + 4

Simplify: 5x + 3(x - 2) = 4(2x + 1)

• 5x + 3x - 6 = 8x + 2

• 5x + 3x - 6 = 8x + 4

• 5x + 3x - 6 = 8x - 4

• 5x + 3x - 6 = 4x + 4

What is the solution to the equation: 2(x + 3) = 10

• x = 7

• x = 2

• x = 5

• x = 3

Find the y-intercept of the line with equation y = 2x + 5

• 5

• 7

• 3

• 10

If 3(x - 4) = 15, what is the value of x?

• 9

• 5

• 6

• 12