How do I find the x-intercepts of the graph of #y=x^2+2x-8#?
1 Answer
Sep 13, 2014
The x-intercepts are the ordered pairs that have values of 0 for the y-values.
Various methods exist:
1) Graphing
2) Quadratic Formula
3) Factoring
Let's factor. The coefficient of the
Factors of -8:
Now set each factor equal to zero.
The x-intercepts are