Module 2 Algebra

|v + 8| − 5 = 2

• {-1,-15}

• {-1,15}

• {-15,1}

• No Solution

|−2n| + 10 = −50

• {30, -30}

• 30

• -30

• No Solution

Solve:

3 | 2x + 7| - 7 < -4

• x > -3 and x < -4

• x < -3 and x > -4

• x < -3 and x < -4

• no solution

What is the first step? 

• Get absolute value alone by subtracting 5 from both sides
• Get absolute value alone by dividing by 5 on both sides
• Split into two equations

The street built in the city must be 25 feet in width with a tolerance of 0.5 feet. Streets that are not within the tolerated widths must be repaired. Which of the following inequalities can be used to assess which streets are within tolerance? (W is the width of the street) .

• |W - 25| ≤ .5
• |W - .5| ≤ 25
• |W - 25| ≥ .5
• |W - .5| ≥ 25

A company sells 20-ounce bottles of sports drink. The actual volume of liquid in the bottle must be within 0.03 ounces. Which volume would NOT be included in the range of liquid?

• 19.93
• 20.013
• 20.02
• 19.99

What is the equation of the absolute value function?

• f(x)= 4|x+3|

• f(x)= 4|x| + 3

• f(x)= 4|x| - 3

• f(x)= 4|x - 3|