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03-06-2021
Mathematics

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Write the quadratic equation whose roots are 1 and -1, and whose leading coefficient is 4

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03-06-2021

Answer:

y = 4x² - 4

Step-by-step explanation:

y = a(x - x₁ )(x - x₂)

Plug in the knowns

y = 4(x - 1)(x + 1)

expand

y = 4(x² - 1)

y = 4x² - 4

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