Unit 6 Test (Equivalent Expressions and One Variable Equations)

(3 + 4)² - 32 

• 7

• 112

• 17

• -7

Combining Like Terms: 6 + 5n + 7n - 2

• 4+12n

• 8+12n

• 12n-4

• 12n+4

Solve the following equation:

x - 32 = 66

• 98

• 34

Solve the following equation:

-3x = 9

• x = 12

• x = 3

• x = -3

Combining Like Terms: ​ 10k + 3 + 8k² + 7 - 5k²

• 10k + 10 + 3k²

• 10k - 10 + 13k²

• 10k + 3

• 13k

5(2n + 4) =

• 10n+20

• 7n+9

Using a Factor Tree, find the prime factorization of 75.  

• 5² x 3

• 3² x 5

Use a factor tree to find the prime factorization of 48

• 4x2x6

• 4x2²x3

• 3x2⁴

• 12x4

Which of the following are all prime numbers

• 2, 4, 8, 16

• 2, 3, 5, 7, 9

• 2, 3, 5, 7, 11

Which expression is equivalent to 20c − 8d?

• 2(10c + 4d)

• 4(5c − 2d)

• c(20 − 8d)