REVIEW for Absolute Value Equations/Inequalities TEST

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• D

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A factory produces 25 chocolate bars per minute. The weight of the chocolate bar is supposed to be 6 oz. The weight can vary by .02 oz. Which equation shows the minimum and maximum allowable weights.

• $\left|x+25\right|=.02$

• $\left|x-25\right|=.02$

• $\left|x+6\right|=.02$

• $\left|x-6\right|=.02$

Tags

CCSS.HSA.CED.A.3

| 2x + 12 | < 8

Which is the correct first step?

• 2x + 12 < 8 and 2x+12 >-8

• 2x + 12 < 8 or 2x+12 >-8

• 2x + 12 < 8 and 2x+12 <-8

• 2x + 12 < 8 or 2x+12 >-8

• no solution
• -6 ≤ r ≥ 8
• 6 > r > -8
• -6 < r < 8

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

Which values are solutions to the absolute value equations? Select all that apply.  $\left|x-25\right|-40=-40$  

• no solution

• 40

• 25

• 15

 $\frac{\ \left|x\ -\ 10\right|}{-2}=-6$  

• x = {2, 22}

• x = {2, -22}

• x = {-2, 22}

• No Solution

The function
 ^{f(t) = -2|t - 15| + 50}
is graphed and represents weekly sales of shoes, f(t) in $1000s, where t is weeks. What is the range for this graph?

• 20 ≤ f(t) ≤ 50
• 0 ≤ f(t) ≤ ∞
• 0 ≤ f(t) ≤ 50
• -∞ ≤ f(t) ≤ 50

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1