Question

If 8 is a root of the equation x^2 - 10x + k = 0, then find k.

Answer 1

put x=8 in equation

x²-10x+k=0

8²-10 x 8 +k=0

64-80+k=0

-16+k=0

k=16

Answer 2

here's the solution!!!
hope it helps uh!!!