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Home > INT3 > Chapter 8 > Lesson 8.3.2 > Problem 8-121

8-121.

Given the polynomial : Homework Help ✎

  1. Use the Remainder Theorem to determine .

    Divide the polynomial by . What is the remainder?

  2. Now use the Factor Theorem to determine one factor of . (See the Math Notes box in this lesson.)

    Since is the zero of the function. What is the corresponding factor?

  3. Use your answer to part (b) to determine another factor.

    Try using an area model.

    step 1 square

    step 2 square

    step 3 square

    answer square

  4. What are all the solutions of ?

    See part (a) for one solution.

    Use the Quadratic Formula to find the solutions to
    .