Answer:
(0,9)
Explanation:
To find the y-intercept of a parabola, you need to determine the value of y when x is equal to 0.
In the given equation y = x² + 9, you should substitute x = 0:
y = (0)² + 9
y = 0 + 9
y = 9
Therefore, the y-intercept is (0,9).