Solving Inequalities Multiplying and Dividing

When solving inequalities you must _________________ the inequality when ____________________ by a negative.

• flip; dividing

• ignore; multiplying and dividing

• flip; multiplying

• flip; multiplying and dividing

Tags

CCSS.6.EE.B.8

• A
• B
• C
• D

3x-4< -13 or 7x+1> 22

• All Real numbers

•   x>3   and x>-9

• The answer is not listed

• x<-3   or x>3

-8<2(x+4) or -3x+4>x-4

• No solutions

• x<-8 or x<2

•  x>-8 or x<2

• x<-8 and x<2

Solve:

• A

• B

• C

• D

−6 < 2t − 5 < 3

• −0.5 < t < 1

• 0.5 < t < −1

• −11/2 < t < 2

• 11/2 < t < −2

Four times a number, increased by 6 is greater than 22.  Which inequality models this scenario?

• 4x - 6 > 22

• 4x + 6 < 22

• 4x + 6 ≥ 22

• 4x + 6 > 22

Tags

CCSS.7.EE.B.4B

-8 < 2(x+4) or -3x+4 > x-4

• No solutions

• x < -8 or x < 2

• x > -8 or x < 2

• x < -8 and x < 2

Solve the following compound inequality:

−8 < 2(x + 4) or −3x + 4 > x − 4

• No solutions

• x < −8 or x < 2

• x > −8 or x < 2

• x < −8 and x < 2

Solve 24 > -3r > -9 

• -8 < r < 3

• -8 > r > 3

• r > - 8 and r > 3 

• r > -8 or r < 3