SOLUTION: 1)find the vertex and intercepts of the function: f(x)=x^2+x-2 2)Graph the linear equation: y=(2/x)x-2 3) Find the x and y intercepts of 4x+3y=-12 Please help. I

Question 105679: 1)find the vertex and intercepts of the function:
f(x)=x^2+x-2

2)Graph the linear equation: y=(2/x)x-2

3) Find the x and y intercepts of 4x+3y=-12

Please help. I am really lost here and needs some good examples so i can do my homework.
thanks
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
For your first problem, read my lesson---Shortcut in finding the vertex of any parabola
Then, go back to this page.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Solving

Solving for y,

Since we obtained and , thus, the vertex is located at (,).

Proof? Look below!

Power up,
HyperBrain!
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