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Laabri

Unit 3 Review

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Last updated about 1 year ago
9 Nsɛmmisa
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1.

Your friend says that the absolute value equation -3|2x-1|+4=16 has 2 solutions because the constant on the right side of the equation is positive.

Is your friend correct? Explain.

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2.

Solve the following absolute value equation algebraically.

3|x-2|-7=x-3

Type your answer in x=#,x=# (No spaces!)

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3.

Solve the following absolute value equation algebraically.

\frac{1}{3}|x+5|-7=-7

Type your answer in x=#,x=# (No spaces!)

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Solve the following absolute value equation algebraically.

|5x-8|+10=-4

Type your answer in x=#,x=# (No spaces!)

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5.

Choose the equation that best represents the situation:

The size of the difference between a number and 6 is equal to seven more than three times the number

The recommended weight of a soccerball is 425 grams. The actual weight is allowed to vary by up to 25 grams.

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6.

Write an absolute value equation to find the minimum and maximum acceptable football weights.

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7.

Solve your absolute value equation from #6.

Type your answer in x=#,x=# (No spaces!)

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8.

A soccer ball weighs 418 grams. Due to wear and tear, the weight of the ball decreases by 10 grams. Is the weight acceptable? Explain.

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9.

A soccer ball weighs 441 grams. You take the soccer ball to get repaired and air is put into. The weight of the ball increases by 10 grams. Is the weight acceptable? Explain.