CCSS.Math.Content.7.EE.B.4

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?

• m
• b

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CCSS.Math.Content.7.EE.B.4

-9a - 1 < 26

• a<-3
• a<3
• a>-3
• a>3

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CCSS.Math.Content.7.EE.B.4

Solve 
-9h > (-63)

• h < 7
• h > 7
• h < -7
• h > -7

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CCSS.Math.Content.7.EE.B.4

Melissa wants to spend no more than $300 on school clothes. She spends $75 on a coat and then wants to buy some sweaters that are on special for $10 each. Write an inequality to show how many sweaters Melissa can buy. DO NOT SOLVE

• 75x-10 ≥ 300
• 75+10 ≤ 300x
• 10x ≥ 300
• 75+10x ≤ 300

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CCSS.Math.Content.7.EE.B.4

A SENTENCE WITH AN EQUAL SIGN
i.e. 4x = 8

• expression
• equation
• term
• variable

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CCSS.Math.Content.7.EE.B.4

Solve the equation for x:
8x - 6x + 4 + 5 = 19

• x = 4
• x = 5
• x = 6
• x = 7

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CCSS.Math.Content.7.EE.B.4

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

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CCSS.Math.Content.7.EE.B.4

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

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CCSS.Math.Content.7.EE.B.4

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

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CCSS.Math.Content.7.EE.B.4

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

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CCSS.Math.Content.7.EE.B.4