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10-21.

    On graph paper, graph the parabola .

  1. What are the ‑intercepts of the parabola? Write your points in form.

    Set and factor, or use the quadratic formula to solve for the -intercepts.

  1. How is the graph of the same or different? Can you tell without graphing?

    How does the negative sign affect the slope? The -intercept?

    Would the -intercepts change?