Question if-3-x
2.2 Nonlinear Equations in One Variable - Quadratic solving (factoring, quadratic formula, completing square)
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If , what is the value of ?
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If 3 x 2 - 18 x - 15 = 0 , what is the value
Hard-difficulty · SAT Math · Nonlinear Equations in One Variable — Quadratic solving (factoring, quadratic formula, completing square). Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
The correct answer is . Dividing each side of the given equation by yields . Adding to each side of this equation yields . Therefore, if , the value of is .
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