Algebra

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1

Slide 1

Splash Screen

Slide 2

Contents

Lesson 1-1 Expressions and Formulas

Lesson 1-2 Properties of Real Numbers

Lesson 1-3 Solving Equations

Lesson 1-4 Solving Absolute Value Equations

Lesson 1-5 Solving Inequalities

Lesson 1-6 Solving Compound and Absolute Value Inequalities

Slide 3

1 Contents

Example 1 Simplify an Expression

Example 2 Evaluate an Expression

Example 3 Expression Containing a Fraction Bar

Example 4 Use a Formula

Slide 4

Example 1-1a

Answer: The value is 3.

Slide 5

Example 1-1b

Answer: 9

Slide 6

Example 1-2a

Answer: The value is –0.04.

Slide 7

Example 1-2b

Answer: –110

Slide 8

Example 1-3a

Slide 9

Example 1-3b

Answer: The value is –9.

Slide 10

Example 1-3c

Answer: –23

Slide 11

Example 1-4a

Find the area of a trapezoid with base lengths of 13 meters and 25 meters and a height of 8 meters.

Answer: The area of the trapezoid is 152 square meters.

Slide 12

Example 1-4b

Answer: 50 cm3

Slide 13

End of Lesson 1

Slide 14

Lesson 2 Contents

Example 1 Classify Numbers

Example 2 Identify Properties of Real Numbers

Example 3 Additive and Multiplicative Inverses

Example 4 Use the Distributive Property to Solve a Problem

Example 5 Simplify an Expression

Slide 15

Example 2-1a

Answer: rationals (Q) and reals (R)

Slide 16

Example 2-1b

Answer: rationals (Q) and reals (R)

The bar over the 9 indicates that those digits repeat forever.