Question

8.
If x+1 is a factor of 2r? + kr, then the value of k is
(a)-3
(b) 4
(c) 2
(d)-2​

Answer 1

Answer:

-2

Step-by-step explanation:

x+1 is a factor so -1 is a zero of the polynomial 2r + kr

so,

2(-1) + k(-1) = 0

-2 -k = 0

k = -2

Hope this helps

Answer 2

The value of k = -2 is the answer