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

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Which equation would be used to find how many feet the tree grew?

• f + 8 = 14

• f - 8 = 14

• f/8 = 14

• 8f=14

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

Which of the following equations would have infinite solutions?

• 3x + 9 = 2x + 9
• 8x = 8x + 4
• 3(4x + 4) = 12x +4
• -5x + 10 = 10 - 5x

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

Solve for f:
f - 4 = 6f + 26

• f = -5
• f = 5
• f = 6
• f = -6

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

Which is an x-intercept of the function?

• undefined
• 1
• 2
• -1

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

2x-1=3x+8

• x=7
• x=-9
• x=5
• x=3

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

Solve: 14m²-12m = 0

• m=2 and m=76

• m=2 and m=0

• m=14 and m=12

• m=0 and m=6/7

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

Simplify

(8x + 32)/( x+4)

• 8/(x - 4)

• -x/(x - 4)

• -8

• 8

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

Simplify by combining like terms:

-6k + 7k

• k

• -k

• 12k

• -12k

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

What is the final answer to

4(x - 2) = -3 + 5x

• 2

• -10

• -5

• -3

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

Simplify the expression:

3h +7(2 + 4h)

• 90h

• 7h + 20

• 50h

• 31h +14

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