Algebra 1 Unit 1 Review

Which property justifies:

3(2x - 5) = 6x - 15

• Associative

• Commutative

• Distributive

• Transitive

Tags

CCSS.6.EE.A.3

Which property justifies:

x + 0 = x

• Identity

• Inverse

• Commutative

• Associative

Tags

CCSS.7.EE.A.1

Which property justifies:

3 + (x + 5) = 3 + (5 + x)

• Associative

• Distributive

• Commutative

• Identity

Tags

CCSS.6.EE.A.3

Which property justifies:

3 + (-3) = 0

• Identity

• Inverse

• Commutative

• Associative

Tags

CCSS.7.NS.A.1B

Which statements below are ILLEGAL? Choose all that apply.

• 5(2x - 8) = 10x - 40

• 5 - 7 = 7 - 5

• -3(3x + 2) = -9x + 2

• 7 + (3 + x) = (3 + x) + 7

Tags

CCSS.6.EE.A.3

Simplify:
 $\frac{3}{x^{-4}}$  

•  $3x^4$  

•  $\frac{x^4}{3}$  

•  $\frac{3}{x^4}$  

•  $3x^{-4}$  

Tags

CCSS.HSA.APR.A.1

Simplify:
 $-7x^0$  

• 0

• 1

• -7

• -7x

Simplify
 $x\cdot x^4$  

•  $x^5$  

•  $x^4$  

• 4x

• 5x

Tags

CCSS.HSA.APR.A.1

Simplify

|-5 - 15|

• -20

• 20

• -10

• 10

Tags

CCSS.7.NS.A.1C

Simplify

|-4| - |-10|

• -6

• 6

• 14

• -14

Tags

CCSS.6.NS.C.7C