Question

if one zero of quadratic polynomial x2+3x+k is -4 then value of k is​

Answer 1

Answer:

K = -28

Step-by-step explanation:

P(x) = x^2+3x+k

=> P(-4) = x^2+3x+k = 0

=> (-4)^2+3(-4)+k = 0

=> 16+12+k = 0

=> k = -28