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

What is the rule for inequalities?

• If you add or subtract by a negative - flip the sign.
• If you multiply or subtract by a negative - flip the sign.
• Never flip the sign, ever.
• If you multiply or divide by a negative - flip the sign.

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

n+2=-14-n

• 6
• 8
• -8

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

x - 8 = -5 

• 13
• -13
• 3
• -3

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

Review.
x + 9 = -2

• 11
• 7
• -11
• -7

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

What inequality does the number line graph represent?

• x ≤ -4
• x ≥ -4
• x < -4
• x < 4

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

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

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

Solve for n
n/34 =  200 / 17

• n= 280
• n= 2.89
• n= 100
• n= 400

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

Solve the equation.

 $-6=-\frac{a}{4}$  

• a = -24

• a = -10

• a = -2

• a = 24

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

10(h+1)-4=76

• h=10
• h=4
• h=7
• h=76

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

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25
• 15x+25y=100
• 25x+y=15
• y=15x+25

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