1.6 Inequalities

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.HSA.REI.B.3

The members of Carver Middle School's Junior Beta Club need to raise at least $2000 to attend their national convention. They raised $300 with their last fundraiser and decide to host a school talent show to raise the rest. They plan to charge $10 for each ticket. Which inequality shows the number of tickets they must sale to reach their goal?

• 300x + 10 ≥ 2000
• 10x + 300 ≤ 2000
• 10x + 300 > 2000
• 300 + 10x ≥ 2000

Tags

CCSS.7.EE.B.4B

Juan bought a soda for $2. He also bought some nachos for $3 each. Juan did not spend more than $14 on the nachos and the soda. Write an inequality can be used to find n, the number of nachos that Juan could have bought.

• 14≥2n+3
• 2+3n≤14
• 14-3n≤2

Tags

CCSS.7.EE.B.4B

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

Tags

CCSS.7.EE.B.4B

Which graph matches the inequality

k < 3?

• A

• B

• C

• D

Tags

CCSS.6.EE.B.8

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8

When graphing b < 6 would you use an open or closed circle?

• Open
• closed

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

Tags

CCSS.7.EE.B.4B

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

4x - 3 < -1x + 12

• x > 3
• x < 3
• x < 5
• x > 5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8