Digital SAT Math Practice Question #2275
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.
Expanding: $(x + k)^2 = x^2 + 2kx + k^2$. Equating coefficients: $2k = 14 \implies k = 7$, and $c = k^2 = 7^2 = 49$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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