Unit 1 Test Review

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥

• <, >

Match the graph with its inequality.

• 11 < a

• 11 > a

• 11 ≤ a

• 11 ≥ a

Pick the correct letter for:

6 > x

• A

• B

• C

• D

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

4x - 3 ≥ 2x - 1

• x ≤ -1

• x ≥ -1

• x ≤ 1

• x ≥ 1

Solve:
7(x + 3) < 5x + 13

• x>-4
• x < 17
• x<-4
• x > -17

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 is the least common denominator of 1/9 and 2/3?

• 6
• 3
• 9
• 21

• 7

• 4

• 28

• 56