Equations, Inequalities, and Proofs

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Solve.
9(x - 4) -7x = 5(3x - 2)

• -1
• -2
• -3
• -4

Solve.
6x - 11 = -2x + 5

• 4
• 2
• no solution
• many solutions

Solve.

• x < -18/5
• x < 18/5
• x < -5/18
• x < 5/18

You flip an inequality symbol when you...

• subtract
• multiply and divide only
• multiple by a negative number
• multiple or divide by a negative number

What does the number line show?

• x = 3
• x > 3
• x < 3
•  x > 6

Tags

CCSS.6.EE.B.8

What inequality does the number line graph represent?

• x ≥ 3
• x > 3
• x < -3
• x ≤ -3

What is reason 5?

• Transitive Property
• Reflexive Property
• Symmetric Property
• Prove

What is reason 1?

• Symmetric Property of Equality
• Given
• Prove
• Subtraction Property of Equality