# AlgebraPage 5

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Explore Let c represent the cost of each window.

Slide 61 Example 3-8b

Answer: Carl can afford to spend \$150 on each window.

Slide 62 Example 3-8c

Examine The total cost to replace five windows at \$150 each is 5(150) or \$750. Add the \$250 cost of the carpenter to that, and the total bill to replace the windows is 750 + 250 or \$1000. Thus, the answer is correct.

Slide 63 Home Improvement Kelly wants to repair the siding on her house. Her contractor will charge her \$300 plus \$150 per square foot of siding. How much siding can she repair for \$1500?

Example 3-8d

Slide 64 End of Lesson 3

Slide 65 Lesson 4 Contents

Example 1 Evaluate an Expression with Absolute Value

Example 2 Solve an Absolute Value Equation

Example 3 No Solution

Example 4 One Solution

Slide 66 Example 4-1a

Slide 67 Example 4-1b

Slide 68 Example 4-2a

Slide 69 Example 4-2b

Slide 70 Example 4-3a

Answer: The solution set is .

This sentence is never true.

Slide 71 Example 4-3b

Slide 72 Example 4-4a

Slide 73 Example 4-4b

Slide 74 Example 4-4c

Slide 75 End of Lesson 4

Slide 76 Lesson 5 Contents

Example 1 Solve an Inequality Using Addition or Subtraction

Example 2 Solve an Inequality Using Multiplication or Division

Example 3 Solve a Multi-Step Inequality

Example 4 Write an Inequality

Slide 77

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