SOLUTION: the vertex of a parabola is at(2,-4). when the x value is 3, the y value is -1. what is the coefficent of the squared expression in the parabolas equation
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Question 810827: the vertex of a parabola is at(2,-4). when the x value is 3, the y value is -1. what is the coefficent of the squared expression in the parabolas equation
Answer by erica65404(394) (Show Source): You can put this solution on YOUR website!
vertex form:
h is the x value in the vertex and k is the y value in the vertex.
a is the coefficient.
the vertex form is
you want find a so plug in the x and y value they give you and solve for a.
The vertex equation of the parabola they give you is
The coefficient is 3.
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