Question

if 8 is a root of equation x2-10x+k find value of k

Answer 1

hope this helps you ...

Answer 2

⇒x-8=0

⇒ x = 8

P(x)=x²-10x+k

P(-8)=(8)²-10(8)+k

-k = 64-80

-k = -16

k = 16

BE BRAINLY