Digital SAT Math Practice Question #2240
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.
A single real solution requires $\Delta = b^2 - 4ac = 0$. $(-10)^2 - 4(1)(c) = 0 \implies 100 - 4c = 0 \implies c = 25$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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