Kevin975 Kevin975

30-03-2018
Mathematics

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if -1 is a zero of the quadratic polynomial f(x)= x2- 7x -8 find the other zero

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Banabanana Banabanana

30-03-2018

x² - 7x - 8 = 0
You can use the Viet theorem
x₁ + x₂ = -p
-1 + x₂ = 7
x₂ = 7+1
x₂ = 8

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