Question

Explain how you would find y− intercept(s) of a vertical parabola.

Answer 1

Explanation:

A vertical parabola crosses the y-axis in only one place, and that place has x-coordinate 0.

Thus, substitute 0 for x in the equation of the parabola; the result is the y-intercept.

Answer 2

By letting x=0 and then solving for y