Pre Algebra Semester Review

Combine like terms to find the perimeter of the triangle. Write your final answer in simplest form.

What is the slope of the line that passes through these two points (0, -2) and (3, -4)?

• 2/3

• -2/3

• 3

• -2

What is the slope of the line that passes through these two points (15, 20) and (20, 25)?

• 1

• 5

• -1

• -5

What is the equation of a line with a slope of 4 and a y-intercept of 2?

• y = -4x + 2

• y = -2x + 4

• y = 4x + 2

• y = 2x + 4

Bob has $150 in his savings account and saves $40 per month.

• y=150 + 40

• y=40x + 150

• y=150x + 40

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour

• $12 per hour

• $192 per hour

• $25 per hour

Which line has a slope of 0?

• Line A

• Line B

• Line C

• Line D

What is 4x - 3y = 12 written in slope-intercept form?

• y = (4/3)x - 12

• y = (4/3)x + 4

• y = (4/3)x - 4

• y = -(4/3)x - 4

Write the equation of the line.

• y = -1/3x - 2

• y = 1/3x - 2

• y = 3x - 2

• y = -3x - 2

Simplify:   6x² ⋅ 2y⁴ ⋅ x

• 36x³16y⁴

• 6x³y⁴

• 12x³y⁴

• 8x³y⁴