Illustrative Math Algebra Unit 6 Review

Solve the equation for x.

2(x - 8) - 3x = -14

Solve the system of equations by substitution.

x = -5

y + 2x = -6

Solve the system of equations by substitution.

1.5x + y = 11

y - x = 1

Which function is quadratic?

• f(x)

• h(x)

• g(x)

What is the value of f(2)?

• 2

• 0

• 1

• -3

Which graph is linear?

• Graph A

• Graph B

• Graph C

• Graph D

Which function is linear?

• f(x)

• h(x)

• g(x)

Which function has the greatest y-intercept?

• f(x)

• h(x)

• g(x)

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

• The monthly fee

• How much Rich pays per visit

• The number of times Rich goes to the gym

• The total cost at the end of the month

Is the graph linear, exponential or neither?

• Linear

• Exponential

• Neither