5.03 Quiz: The Quadratic Formula
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Donnie is solving the equation 2x² = 27 + 3x with the quadratic formula. What values should he use for a, b, and c?
A = 2. B = -3. C = -27.
Which solution shows the unsimplified solution for 3x² - 6x + 2 = 0?
x = 6 ± √12 / 6
What are the solutions to the equation? Use the quadratic formula to solve the equation. Round irrational solutions to the nearest tenth. x² + 8x + 9 = 0?
{-6.6, -1.4}
What are the solutions to the equation? Use the quadratic formula to solve the equation. 2y² - 3y = 2?
{-½, 2}
What are the solutions to the equation? Use the quadratic formula to solve the equation. 2y² - 6y - 8 = 0?
{4, -1}.