Question

Find the y-intercept of the parabola
y = x2 + 4x .

Answer 1

0

Explanation:

y-intercept is when x = 0

y = 0² + 4(0) = 0

Answer 2

(0,0)

Explanation:

To find a y-int, plug x=0 into the equation because when the function crosses the y axis, x equals 0). y= 0^2 + 4 x 0 = 0.