SOLUTION: Hi my friend told me about this place and said you could help me i need to find a parabola.Like I need to find the interceptsof the graph of the parabola. y = x squared - 4

Algebra ->  Coordinate-system -> SOLUTION: Hi my friend told me about this place and said you could help me i need to find a parabola.Like I need to find the interceptsof the graph of the parabola. y = x squared - 4       Log On


   

Question 46115: Hi my friend told me about this place and said you could help me
i need to find a parabola.Like I need to find the interceptsof the graph of the parabola.
y = x squared - 4
thanks
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Equation: y+=+x%5E2+-+4
y-intercept:
y+=+0%5E2+-+4
y+=+-4
x-intercepts:
0+=+x%5E2+-+4
0+=+%28x+-+2%29%28x+%2B+2%29
x - 2 = 0
x = 2
and
x + 2 = 0
x = -2
graph%28600%2C600%2C-10%2C10%2C-10%2C10%2Cx%5E2-4%29