CCSS.Math.Content.8.EE.C.7

Simplify:
-4(2x-5)

• -8x+20
• -8x-20
• -2x-9
• -8x-9

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CCSS.Math.Content.8.EE.C.7

WRITE AN EQUATION

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• 24-10=7x

• 24+7x=10

• 10+7x=24

• 10+x=14

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CCSS.Math.Content.8.EE.C.7

0.75 + 2(a - 0.5) = 3a - 0.4

• 0.15
• 5
• 1.5
• 3.75

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CCSS.Math.Content.8.EE.C.7

Solve:

• {24}
• {-6, -8}
• {16, 4}
• {24, -24}

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CCSS.Math.Content.8.EE.C.7

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

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CCSS.Math.Content.8.EE.C.7

For the function f(x) = -3x + 3 find f(0).

• 0
• -3
• 3
• -1

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CCSS.Math.Content.8.EE.C.7

Solve each equation for x:

• 9
• 3
• 6
• 12

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CCSS.Math.Content.8.EE.C.7

Find all the solutions of

n²-13n+40 = 0

• 5 and 8

• 5 and -8

• -5 and 8

• 6 and 1

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CCSS.Math.Content.8.EE.C.7

Three times a number increased by nine

• 3h-9
• 3(h-9)
• 3(h+9)
• 3h+9

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CCSS.Math.Content.8.EE.C.7

The equation is now solved for y.

y = ¹/₂x - 5

Which is the graph of this equation?

• 
• 
• 
• 

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CCSS.Math.Content.8.EE.C.7