Review Inequalities Symbols and Solve

Solve:  -3 ≤ 2x - 1 ≤ 5

• -1 ≤ x ≤ 3

• -1 < x < 3

• 1 < x < 3

• 1 ≤ x ≤ 3

• - 4 ≤ x ≤ 6
• x ≥ - 4 or x ≤ 6
• x ≥ 4 or x ≤ - 6
• - 4 ≤ x ≤ - 6

What inequality symbol goes with is at least?

• <

• >

• ≤

• ≥

Pick the correct inequality.

• A

• B

• C

• D

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

• <, >

• ≤, ≥ 

Match the graph with its inequality. (HINT: don't be tricked by the variable on the right.)

• 11 < a

• 11 > a

•  11 ≤ a

•  11 ≥ a

-7 + 10z > -27

• z < -2

• z > -34

• 2 > z

• z > -2

10 < 3x + 19

• x < 3

• x > 3

• x < -3

• x > -3

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6

Melissa wants to spend no more than $300 on school clothes. She spends $75 on a coat and then wants to buy some sweaters that are on special for $10 each. Write an inequality to show how many sweaters Melissa can buy. DO NOT SOLVE

• 75x-10 ≥ 300

• 75+10 ≤ 300x

• 10x ≥ 300

• 75+10x ≤ 300