Digital SAT Math Practice Question #2231
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Desmos Hack: Type the expression into Desmos directly to locate vertices, roots, and intersections effortlessly.
A parabola with vertex $(h, k) = (5, -2)$ opening downward ($a < 0$) has the form $y = a(x - 5)^2 - 2$ where $a < 0$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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