The formula y = 2x² + 5x +2 has two solutions for x. One is x = -3.5. Find the other using the formula method. A) x = 1 B) x = 1.5 C) x = 2 D) x = 2.5

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Quizplus · Accepted Answer

The quadratic formula x = [-b ± sqrt(b² - 4ac)] / 2a is used to find the roots. For y = 2x² + 5x + 2, a = 2, b = 5, c = 2. Using the formula, the solutions are x = [-5 ± sqrt(5² - 4*2*2)] / 4. This simplifies to x = [-5 ± sqrt(9)] / 4, giving x = -3.5 and x = 1.

The Formula Y = 2x2 + 5x +2 Has Two

The Formula Y = 2x² + 5x +2 Has Two