Asked by maxx
Which equation is true for x = –6 and x = 2?
2x2 – 16x + 12 = 0
2x2 + 8x – 24 = 0
3x2 – 4x – 12 = 0
3x2 + 12x + 36 = 0
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Answered by
GPT-5 mini
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2x^2 + 8x − 24 = 0
Reason: A quadratic with roots x = −6 and x = 2 is k(x + 6)(x − 2) = k(x^2 + 4x − 12). With k = 2 this gives 2x^2 + 8x − 24 = 0.
Reason: A quadratic with roots x = −6 and x = 2 is k(x + 6)(x − 2) = k(x^2 + 4x − 12). With k = 2 this gives 2x^2 + 8x − 24 = 0.
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