TEKS.MATH.8.8A

You have 30 minutes to finish 12 problems for homework. Write and solve an inequality that represents how many minutes you can spend per problem.

• 30 ≤ 12x,  x ≥ 2.5
• 30x  ≤ 12 , x ≤ .4
• 30x -12  ≤ 18  , x  ≤  1
• 12x ≤  30  , x  ≤  2.5

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TEKS.MATH.8.8A

For the equation below to have infinite solutions, which value must go in the blank:
___ + 12 = -4x + 12

• -4
• -4x
• 4x
• 12

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TEKS.MATH.8.8A

What is the perimeter of the rectangle?

• x²+8x-5

• 2x²+16x-10

• 2x²+10x-8

• 6x-2

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TEKS.MATH.8.8A

Eight less than three times a number is best represented by:

• 3(x-8)
• 3x - 8
• 8 - 3x

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TEKS.MATH.8.8A

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m
• 8m - 4
• 8m + 4
• 4m - 8

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TEKS.MATH.8.8A

7+(-12)=

• 5
• 19
• -19
• -5

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TEKS.MATH.8.8A

-3y + 2 > 11

• y < -3
• y > -3
• y < 3
• y > 3

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TEKS.MATH.8.8A

Solve
(n/3) > -20 

• n > 60
• n < -17
• n > -60
• n < -23

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TEKS.MATH.8.8A

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

• x + 2y < 240
• x + 2y > 240
• x + 2y ≤ 240
• x + 2y ≥ 240

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TEKS.MATH.8.8A

Simplify. 

• (x+6)/(x+4)
• (x+6)(x+4)
• (x+6)
• (x+6)/(x-5)

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TEKS.MATH.8.8A