Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = -x2 - 6x
A. vertex (-3, -9); axis is x = -3;
no x-intercepts; y-intercept is -18
B. vertex (3, 9); axis is x = 3;
x-intercepts are 0 and 6; y-intercept is 0
C. vertex (3, -9); axis is x = 3;
no x-intercepts; y-intercept is -18
D. vertex (-3, 9); axis is x = -3;
x-intercepts are 0 and -6; y-intercept is 0
Answer: D
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