Find the x-intercepts of the parabola with
vertex (1,-13) and y-intercept (0.-11).
Write your answer in this form: (X1.),(X2,92).
If necessary, round to the nearest hundredth.
Enter the correct answer.

Step-by-step explanation:

we know that

If the vertex is  (1,-13) and the y-intercept is  (0.-11) (y-intercept above the vertex), we have a vertical parabola open upward

The equation of a vertical parabola written in vertex form is equal to

where

a is a coefficient

(h,k) is the vertex

substitute the given value of the vertex

Find the value of a

Remember that we have the y-intercept

For x=0, y=-11

substitute

so

Find the x-intercepts

For y=0