SOLUTION: Find the x - intercepts y = x^2 + 2x - 8 Thank You!

Algebra ->  Algebra  -> Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Find the x - intercepts y = x^2 + 2x - 8 Thank You!      Log On

Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo .
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 47943: Find the x - intercepts
y = x^2 + 2x - 8
Thank You!
Answer by smath(6) About Me  (Show Source):
You can put this solution on YOUR website!
find the x intercepts
y=x%5E2%2B2x-8
First in order to slove for x we have to set y equal to zero.
0=x%5E2%2B2x-8
Now you have to factor.
0=x%5E2%2B2x-8
(x+4)(x-2)
Now set x eqaul to zero and solve for x
Answer :
x=-4
x=2