Tell whether the parabolic graph of the equation opens up, down, to the left, or to the right. $$y ^ { 2 } = - 8 x$$
A) opens down
B) opens up
C) opens to the right
D) opens to the left

Question

Quizplus · Accepted Answer

The equation is in the form $y^2 = -4ax$, which indicates a parabola that opens to the left because the coefficient of $x$ is negative.

Tell Whether the Parabolic Graph of the Equation Opens Up y2=−8xy ^ { 2 } = - 8 xy2=−8x

Tell Whether the Parabolic Graph of the Equation Opens Up $y ^ { 2 } = - 8 x$