3 years ago

How do you find the vertex if the equation is given ingiven in factored form?

1 answer:

7 0

If the equation is given in factored form and the roots are real, then you can identify the x-coordinate of the vertex by averaging the 2 root values. For example, if the roots are -2 and 5, the x-coord. of the vertex is (-2+5)/2, or 3/2.

Once you have this x value, subst. the value into the given equation to calculate y. Then write the vertex as (x,y).

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