Inequality Quiz Review

What inequality is graphed here?

• x ≤ -2
• x < -2
• x > -2
• x ≥ -2

When graphing do you use an open or closed circle for < ?

• Open

• Closed

When graphing do you use an open or closed circle for > ?

• Open

• Closed

You flip an inequality symbol when you...

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

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she can spend no more than $35 in all.

• .50x + 20 ≥ 35

• .50x < 35

• .50x + 20 ≤ 35

• .50x - 20 = 35

A limo driver needs to make more than $450 in one day.  He charges a rental fee of $375 and $0.85 per mile.  What inequality represents the number of miles, x, he would have to drive to reach his goal?

• 0.85x + 375 > 450
• 0.85x + 375 < 450
• 0.85 + 375x > 450
• 0.85 + 375x < 450

Translate:

"6 is less than a number"

• $6\ >\ x$

• $6\ \le\ x$

• $x\ \le\ 6$

• $6\ <\ x$

Which inequality is represented on this graph?

• $x\ >\ 10$

• $x\ \ge\ 4$

• $4\ \ge\ x$

• $x\ <10$

Solve: x + 3 < − 5

• x < − 2
• x < − 8
• x > − 8
• x > − 2

Solve: 7 < x + 10

• x < − 3
• x > − 3
• x < 17
• x > 3