Digital SAT Math Practice Question #2259
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos Hack: Type the expression into Desmos directly to locate vertices, roots, and intersections effortlessly.
Set $-5t^2 + 20t + 25 = 0 \implies t^2 - 4t - 5 = 0 \implies (t - 5)(t + 1) = 0$. Since time must be positive, $t = 5$ seconds....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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