Question

y=(x+c)^2

Find what c equals when X=10 and Y=0.

Answer 1

if y = 0 then you have a root when x = 10. the form of th eequation would indicate that the root is a double root, i.e. the only root. therefore, c must be it's opposite.

Answer 2

So negative 10? THANKS @pgpilot

Answer 3

you're welcome