TEKS.MATH.8.8C

Solve the following equation for x:
4x - 9 = (-9) + 4x

• no solution
• infinite solutions
• x = 0
• x = -9

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TEKS.MATH.8.8C

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.

3x - 8 = 3(x - 4) + 1

• one

• no solutions

• infinite solutions

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TEKS.MATH.8.8C

-7x - 36 = 20 -3x

• -12
• -14
• 15
• 8

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TEKS.MATH.8.8C

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

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TEKS.MATH.8.8C

5.    6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

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TEKS.MATH.8.8C

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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TEKS.MATH.8.8C

x/5 - 13 = 20

• 145
• 165
• 180
• 190

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TEKS.MATH.8.8C

5x+1=2x-5

• x=-2
• x=-6
• x=3
• x=.5

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TEKS.MATH.8.8C

The cost for renting kayaks at Company A is c = 5h + 20. The cost for renting at Company B is c = 7h + 12. What is the number of rental hours for which the cost will be the same for both companies?

• 4 hours

• 5 hours

• 8 hours

• 16 hours

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TEKS.MATH.8.8C

9(x+3)=27

• x=0

• x=1

• x=9

• x=3

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TEKS.MATH.8.8C