Question

if one zero of quadratic polynomial x^2-5*+ I is -4 then the value of k is
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Answer 1

2 .. ansssss..................

Answer 2

Answer:

x² -5x + k = 0

-4² - 5×(-4) + k = 0

16 + 20 + k = 0

36 + k = 0

k = -36