7-2: Solve and Graph Inequalities

You need to save a minimum of $1200 to purchase your new laptop.  If you already have saved $400 and make 11 per hour, h, at your job, which inequality could be use to solve to determine how many hours you need to work to save enough money.

• 11h + 1200 ≥ 400
• 11h + 400 < 1200
• 11h + 400 > 1200
• 11h + 400 < 1200

Tags

CCSS.7.EE.B.4B

You flip an inequality symbol when you...

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

Tags

CCSS.6.EE.B.8

Do I need to flip my sign?
-3x  ≥ 12

• Yes
• No

Tags

CCSS.6.EE.B.8

Solve the inequality,  5 - 3x  >  20 .

• x  <  5
• x  <  -5
• x  >  -5
• x  >  5

Tags

CCSS.7.EE.B.4B

Solve the inequality,  10 ≥ x - 3,

• x ≤ 13
• x ≥ 13
• x ≤ 7
• x ≥ 7

Solve the following inequality: 
3x + 4 > 13 

• x > 1 
• x > 3 
• x = 3 
• x < 5 

Tags

CCSS.7.EE.B.4B

Which solution
IS NOT valid for this inequality?
17 ≥ w

• w = 17
• w = 14
• w = 0
• w = 18

Tags

CCSS.6.EE.B.5

-3y + 2 > 11

• y < -3
• y > -3
• y < 3
• y > 3

Tags

CCSS.7.EE.B.4B

Last Friday Samantha had $22.50. Over the weekend, she received some money for cleaning. She now has more than $32.00. Which inequality represents this situation?

• 22.50 - x > 32

• 22.50x > 32

• 22.50 + x > 32

• 22.50 +x < 32

Tags

CCSS.7.EE.B.4B

Solve and graph the inequality.
77 ≤ 5 + 8n

• A
• B
• C
• D

Tags

CCSS.7.EE.B.4B