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Home > A2C > Chapter 4 > Lesson 4.2.4 > Problem 4-119


A parabola has vertex and contains the point .  

  1. If this parabola is a function, find its equation.

    Use the equation; if ; at .

  2. Suppose this parabola is not a function, but is a “sleeping” parabola. Find its equation.

    Use the equation ; if ; at .

Use the eTool below to graph the equations.
Click the link at right for the full version of the eTool: A2C 4-119 HW eTool