Question

if x+1 is a factor of the polynomial 2x^2-kx,then the value of k is?

Answer 1

Answer:

k= (-2)

Explanation:

• If x+1 is factor of the given polynomial p(x) =2x^2-kx then p(-1)=0
• By putting x=(-1) in p(x), we get p(-1)= 2+k
• p(-1)=0

2+k=0

k=(-2)