Question

Q.17. If 2 is a zero of p(x) = x² + 3x + k, find k: ​

Answer 1

Answer:

Step-by-step explanation:

p(2)= 2^2+3(2)+k=0

4+6+k=0

k=-10

Answer 2

Answer:

-10

Step-by-step explanation:

2 is a zero of

${x}^{2} + 3x + k$

Thus,

${2}^{2} + 3(2) + k = 0$

k+10=0

k=−10