Question

If x + 1 is a factor of the polynomial 2x2 + kx, then the value of k is:

Answer 1

Answer:

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Answer 2

K=4

$g(x) = x + 1$

$x = - 1$

$f(x) = 4 + kx$

$- 4 = - k$

$4 = k$

$f( - 1) = 4 + k( - 1)$

$0 = 4 - k$