Question

Q7. If one zero of the quadratic 1 point
polynomial x square + 3x + k is 2, then
the value of k is
0 (a) 10
O (b)-10
O (c) 5
0 (d)-5​

Answer 1

Explanation:

(a)10 is the answer for your questions I think

Answer 2

Answer:

b)-10 is the answer

Explanation:

x^2+3x+k=0

substitute x=2 in the above equation

2^2+3×2+k=0

4+6+k=0

10+k=0

k= -10