SOLUTION: y = 1/2x^2 -2 x y 0 ? 1 ? 2 ? 3 ? Find y

Question 182565: y = 1/2x^2 -2
x y
0 ?
1 ?
2 ?
3 ?
Find y
Found 2 solutions by checkley77, jojo14344:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y = 1/2x^2 -2
y=0^2/2-2
y=-2
y=1^2/2-2
y=1/2-2
y=-3/2
y=2^2/2-2
y=4/2-2
y=2-2
y=0
y=3^2/2-2
y=9/2-2
y=4.5-2
y=2.5
x y
0 -2
1 -3/2
2 0
3 2.5

Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Given:
Remember
Substituting value of "x"=0,1,2,3 to the eqn:

It follows:
x,y
0,-2
1,-1.5
2,0
3,2.5
We can solve for the vertex: X-Intercept
Substitute to the eqn:
Y-Intercept
Vertex--->(0,-2)

Thank you<
Jojo
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