Writing a Quadratic Equation form a Vertex and Point

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Taught by mrbrianmclogan
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Meets NCTM Standards:
Lesson Summary:

In this lesson, we learn how to determine the quadratic equation given a vertex and a point. By using the standard form, we can easily plug in the given vertex and solve for the variable A by plugging in the given point. Once we find A, we can write the quadratic equation in standard form, and even convert it into quadratic form if needed.

Lesson Description:

Determining the quadratic equation given a vertex and a point

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Questions answered by this video:
  • What are the two forms of a quadratic equation?
  • How do you find the value of 'a' in f(x)=a(x-2)²+3 given a point on the curve to be (0,2)?