document.write( "Question 668960: Solve by graphing.\r
\n" ); document.write( "\n" ); document.write( "x2 +2x - 8 = 0 \n" ); document.write( "
Algebra.Com's Answer #415986 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi,  Previously Posted
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document.write( "y = x^2 +2x - 8 
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document.write( "y = x^2 +2x +1 - 1 - 8 
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document.write( "y = (x+1)^2 - 9  V(-1,-9) and line of symmetry is x = -1
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document.write( "and when y  = 0 ⇒   (x+1)^2 = 9, x = -1 ± 3, Pt(2,0) & (-4,0) are the x-intercepts
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