Question

I need help guys

Answer 1

\[x ^{2} + y ^{2} = 25 \]

and

\[x + 3y - 5 = 0 \]

Answer 2

solve for the system of equations

Answer 3

x=5-3y
(5-3y)^2+y^2=25
25-30y+9y^2+y^2=25
10y^2-30y=0
y^2-3y=0
y(y-3)=0
y=0/y=3
x=5/x=-4