Find the x-intercepts (if any) for the graph of the quadratic function.
-$$y + 4 = ( x + 2 ) ^ { 2 }$$
A) $( 0,0 )$ and $( - 4,0 )$
B) $( 0,0 )$ and $( 4,0 )$
C) $( 4,0 )$ and $( - 4,0 )$
D) $( 0,0 )$

Question

Quizplus · Accepted Answer

To find the x-intercepts, set y = 0 and solve for x:0 + 4 = (x + 2)^24 = (x + 2)^2±2 = x + 2x = -2 ± 2x = 0 or x = -4So the x-intercepts are (0, 0) and (-4, 0).

Find the X-Intercepts (If Any) for the Graph of the Quadratic