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Lesson 3

1. Lesson 3

1.2. Are You Ready?

Mathematics 20-1: Module 2: Lesson 1

Module 7: Absolute Value and Reciprocal Functions

 

Are You Ready?
 

Complete these questions. If you experience difficulty and need help, visit Refresher or contact your teacher.

  1. Define absolute value. Answer

  2. If the absolute value of a number is equal to 11, then what could the number be? Answer

  3. Solve and verify the following equations.

    1. 3x = 2 − 5x Answer

    2. −4(7x − 6) = 32 Answer

    3. 7x − 14 = 11 + 2x Answer

    4. 5(2x + 3) = −8(2x − 11) Answer

    5. Answer

  4. Solve the following equations graphically, with or without technology. Round solutions to the nearest tenth.

    1. Answer

    2. x2 + 2x − 6 = 0 Answer

How did the questions go? If you feel comfortable with the concepts covered in the questions, skip forward to Discover. If you experienced difficulties, use the resources in Refresher to review these important concepts before continuing through the lesson.