Question

Use the substitution method to find the solution(s) to the system of equations. Show all work for full credit.
y = –x2
y = x

Answer 1

\[y=x\]
\[y=-x^2\]?

Answer 2

that's what was on the question and it is one of the reasons i dont understand it

Answer 3

if so set them equal to get
\[-x^2=x\]
\[x^2+x=0\]
\[x(x+1)=0\]
\[x=0\] or
\[x=-1\]

Answer 4

those are the two solutions and the check is easy

Answer 5

thank you so much!!! :)

Answer 6

yw