SAT Math Practice Question #2274 (Medium) | Test Citadel
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SAT Math Difficulty: Medium

Digital SAT Math Practice Question #2274

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What are the coordinates of the vertex of $f(x) = 2x^2 - 8x + 11$?
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Masterclass Solution & Distractor Trap Analysis

Vertex $x = -b/(2a) = 8 / (2 \times 2) = 2$. $f(2) = 2(4) - 8(2) + 11 = 8 - 16 + 11 = 3$. Vertex is $(2, 3)$....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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