Question

for what value of k(-4) is a zero of the polynomial x²-2x-k​

Answer 1

Answer:

if -4 is the zero of polyn.

(-4)² - 2(-4) - k =0

16 + 8 -k = 0

-k = - 24

k = 24

$\huge\bold\red{K=24}$

$\huge\bold\purple{FollowMe}$

Answer 2

Step-by-step explanation:

k(-4)

p(k)=> x^2-2x-k = 0

p(-4) => (-4)^2 - 2*(-4) - k = 0

=> 16-(-8)-k = 0

=> 16+8-k = 0

=> -k = -24

=> k = 24.