Solving Inequalities

Solve:
n - 2 ≤ 4

• n ≤ 2
• n ≤ 6
• n ≥ 6
• n≤ -6

Solve:
4x ≥ -20

• x ≥ -5
• x ≤ -5
• x ≥ -16
• x ≥ -24

Solve: 
r + 13 < 9

• r > -4
• r < -4
• r < 22
• r > -22

Solve:
b/2 < 7

• b < 14
• b < 3.5
• b < 5
• b > 14

If an inequality has a < or >, how do you graph the point on the graph?

• As an open circle
• As a closed circle

Tags

CCSS.HSA.REI.D.12

You flip an inequality symbol when you...

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

Solve for k. 

7k – 2 ≥ -9

• k ≤ -1
• k≤1
• k≥1
• k ≥ -1

Tags

CCSS.7.EE.B.4B

Solve the inequality:
 -4a < 2(a + 12). 

• a > -4
• a < 4
• a > 12
• a < -4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

16 - 4a > 8

• a<-2
• a>-2
• a<2
• a>2

The 23 members of the school jazz band are trying to raise at least $1800 to cover the cost of traveling to a competition. The members have already raised $750. Which inequality represents this situation if they are trying to find out how much money each person needs to raise?

• 750 + 23x > 1800
• 750x + 1800 > 23
• 23x + 1800 ≥ 750
• 750 + 23x ≥ 1800

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3