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2-17.

If , find: Homework Help ✎

  1. Where intersects the -axis.

    Substitute for , and solve for .

  2. Where intersects the -axis.

    Substitute for , and solve for .

    You can factor and use the Zero Product Property once you write your equation.

    and

  3. If , find the intercepts of and compare the graphs of and .

    Look at parts (a) and (b) to help find the intercepts.
    What do you notice about the graphs? Are they related?

    -intercepts:
    -intercept:
    is units lower than .

  4. Find .

    Subtract from . You should notice a relationship between your answers for parts (c) and (d).