SOLUTION: c)Find the coordinates of the vertex of the parabola as well as those of the points where the parabola intersects the x- and y-axes? The parabola graph is y=x^2+2x-3

Algebra ->  Coordinate-system -> SOLUTION: c)Find the coordinates of the vertex of the parabola as well as those of the points where the parabola intersects the x- and y-axes? The parabola graph is y=x^2+2x-3      Log On


   

Question 885957: c)Find the coordinates of the vertex of the parabola as well as those of the points where the
parabola intersects the x- and y-axes?
The parabola graph is y=x^2+2x-3
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!

This is factorable. y=x%5E2%2B2x-3
y=%28x%2B3%29%28x-1%29

The x intercepts are for y=0=%28x%2B3%29%28x-1%29.
highlight%28x=-3%29 and highlight%28x=1%29 are the x-intercepts.

The y intercept is for x=0.
y=0%5E2%2B2%2A0-3
y=0%2B0-3
highlight_green%28y=3%29.