
For the quadratic f(x) = 2x^2 − 8x + 6, what are the coordinates of its vertex?
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Get StartedFor the quadratic f(x) = 2x^2 − 8x + 6, what are the coordinates of its vertex?
Options:
- (2, −2)
- (−2, 2)
- (1, −4)
- (0, 6)
Correct answer: (2, −2)
Explanation: Vertex x-coordinate is −b/(2a) = 8/(4) = 2, and f(2)=2·4−16+6 = −2, so the vertex is (2, −2). The calculation uses the concrete value −b/(2a)=2.
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