Quiz review, Inequalities and Equations

Match the graph to the correct inequality

• A

• B

• C

• D

• IDK

What must you do when you multiply or divide by a negative?

• Flip Flop the problem

• Flip the sign

• Do Nothing

• IDK

Solve:
3(y+5)≥21

• y≤2
• y≥2
• y≥12
• y≤12

Tags

CCSS.7.EE.B.4B

Solve the inequality

• x ≤ -17

• x ≤ -11

• x ≤ 7

• x ≤ -35

Tags

CCSS.7.EE.B.4B

Write an inequality and solve. When three times a number is increased by 24, the result is at least 45.

• 3x + 24 ≤ 45; x ≤ 7

• 3x + 24 ≤ 45; x ≤ -7

• 3x + 24 ≥ 45; x ≥ -7

• 3x + 24 ≥ 45; x ≥ 7

Tags

CCSS.7.EE.B.4B

What direction will the arrow go if you graph this on a number line?    What type of circle?  -24x   ≥   48

• Left; closed
• Right; closed
• Left; open
• Right; open

Tags

CCSS.6.EE.B.8

Will you need to flip the inequality sign for this problem?
-5x  >  25

• Yes
• No

Tags

CCSS.6.EE.B.8

What is a possible solution set to
  x  +  7  ≤  -9 ?

• -2,  0,  2
• -5,  -4,  -3
• -18,  -17,  -16
• -16,  -15,  -14

Tags

CCSS.6.EE.B.5

What is a possible solution set to the following problem?
-8m  >  40

• -5,  -4,  -3 
• -4,  -3,  -2
• -5,  -6,  -7
• -6,  -7,  -8

Tags

CCSS.6.EE.B.5

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn. Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?

• 5x + 10 ≥ 100
• 5x - 100 ≥ 10
• 10x + 5 ≤ 100
• 5x + 10 > 100

Tags

CCSS.7.EE.B.4B