Mixed Algebra Review

What are the factors of 18m² - 8n², when it is completely factored?

• 2(3m + 2n)(3m - 2n)

• 2(9m² - 4n²)(9m² + 4n²)

• 2(9m² - 4n²)

• (3m + 2n)(3m - 2n)

What is the solution to the following equation?

• 16

• 2

• -1

• -2

Solve and graph the inequality.
77 ≤ 5 + 8n

• A

• B

• C

• D

What inequality is graphed here?

• x ≤ -2

• x < -2

• x > -2

• x ≥ -2

6 + 2h > 30

• h < 24

• 18 > h

• h > 12

• h < -12

A gym charges a sign-up fee of $40 and then a monthly rate of $20 per month. How long before you spend $300 on this gym membership?

Which equation would help you solve? (Let x be the # of months)

Simplify:

• 9n³ + 4n

• 7n³ + 6

• -3n³ + 2

• 7n⁶ + 6

Find the difference.
(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9

• 3p³ + 4p² - p + 3

• 4p³ -3p² +16p -10

• 4p³ +3p² + 16p + 10

Find the product:

• y² - 4y - 21

• y² + 10y - 21

• y² + 4y - 21

• y² - 4y + 21

What inequality is graphed? 

• x > 2 and x ≤ -3

• x > 2 and x < -3

• x > 2 or x ≤ -3

• x > 2 or x < -3