1986 AHSME Problems/Problem 13

Problem

A parabola $y = ax^{2} + bx + c$ has vertex $(4,2)$ . If $(2,0)$ is on the parabola, then $abc$ equals

$\textbf{(A)}\ -12\qquad \textbf{(B)}\ -6\qquad \textbf{(C)}\ 0\qquad \textbf{(D)}\ 6\qquad \textbf{(E)}\ 12$

1986 AHSME (Problems • Answer Key • Resources)
Preceded by Problem 12	Followed by Problem 14
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