Two-Step Inequalities

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥

• <, >

Tags

CCSS.6.EE.B.8

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 

Tags

CCSS.6.EE.B.8

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8

Solve for k. 

7k – 2 ≥ -9

• k ≤ -1
• k≤1
• k≥1
• k ≥ -1

Tags

CCSS.7.EE.B.4B

Solve for t.

6t + 4 ≤ -2

• t ≤ -1 
• t ≤ 1
• t=1
• 1=t

Tags

CCSS.7.EE.B.4B

Solve the inequality.
7 - 3n ≥ -53

• n ≥ 20
• n ≤ 20
• n > 20
• n < 20

Tags

CCSS.7.EE.B.4B

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the headphones?

Define the variable.

• x = Lea

• x = the number of cars she needs to wash

• x = the number of headphones she wants to buy

• x = the money she already saved

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the headphones?

Write the inequality to the problem.

• 14x+30 ≥ 240

• 14x+30 ≤ 240

• 30x+14 ≥ 240

• 30x+14 ≤ 240

Tags

CCSS.7.EE.B.4B

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the

headphones?

• x ≥ 15

• x ≤ 15

• x > 15

• x < 15

Jessica has $10 to spend at Target. She wants to buy some candy bars that cost $1.50 and one t-shirt that costs $6. What is the maximum number of candy bars she can buy? Which inequality can be used to solve this?

• 2; 1.50 + 6c = 10
• 2; 1.50c + 6 < 10
• 2; 1.50 + 6c < 10
• 3; 1.50c + 6 < 10

Tags

CCSS.7.EE.B.4B