Question

Puol.
2.
1. If one zero of the quadratic polynomial x' + 3x + k is
2, then the value of k is
(a) 10
(b) -10
(c) -7
(d) -2​

Answer 1

Answer:

c

Step-by-step explanation:

please mark a brain least

Answer 2

Answer:

The answer is (b) -10

2 is the zero of x^2 + 3x + k

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

= 4 + 6 + k = 0

= 10 + k = 0

Therefore, k = -10