Unit 1 Semester Test Review Alg

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Identify the property of equality.
If 9=x, then x=9

• Reflexive
• Symmetric
• Transitive
• Substitution

What is reason 1?

• Subtraction Property of Equality
• Transitive Property of Equality
• Given
• Prove

Step 2 is what

• Substitution property (simplify)
• Multiplication property of equality
• Division property of equality
• Distributive Property

What is step 6

• Subtraction property of equality
• Addition property of equality
• Division property of equality

Simplify the expression with the distributive property
6(x + 3)

• 6x + 3
• 6x + 18
• x + 3
• 9x

What is reason 5?

• Transitive Property
• Reflexive Property
• Symmetric Property
• Prove

What is the solution for x + 9 = 21

• 10
• 12
• 11
• 13

Solve for b
2b = -16

• 8
• 4
• -8
• 3