Question

If one zero of the quadratic polynomial x square - 5 x + k is -4 then the value of k is

Answer 1

Zero of polynomial = -4

Polynomial = x^2 - 5x + k

=> p(x) = x^2 - 5x + k

=> p(-4) = (-4)^2 - 5(-4) + k = 0

=> p(-4) = 16 + 20 + k = 0

=> k = -36

Answer 2

Answer:

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