Question

Y = -x²+4 y = 2x+1 solve the system of equations

Answer 1

X=1,−3
y=3,−5

y=2x+1
​


​

Answer 2

Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(
1
,
3
)
,
(
−
3
,
−
5
)
(
1
,
3
)
,
(
-
3
,
-
5
)
Equation Form:
x
=
1
,
y
=
3
x
=
1
,
y
=
3
x
=
−
3
,
y
=
−
5