SOLUTION: question 1. Solve x2 − 2x − 8 = 0 by graphing. The x intercepts are ? and ? question2.Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?

Algebra ->  Expressions -> SOLUTION: question 1. Solve x2 − 2x − 8 = 0 by graphing. The x intercepts are ? and ? question2.Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?       Log On


   

Question 385833: question 1. Solve x2 − 2x − 8 = 0 by graphing. The x intercepts are ? and ?

question2.Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-2x-8=0
...
x^2-4x+2x-8=0
x(x-4)+2(x-4)=0
(x-4)(x+2)=0
x=4,-2 the x intercepts.
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graph%28300%2C300%2C-5%2C5%2C-5%2C5%2C%28x%5E2-2x-8%29%29
...
m.ananth@hotmail.ca