document.write( "Question 391760: Find the x-intercepts of the graph of the equation:
\n" ); document.write( " y = x^2 - 1\r
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Algebra.Com's Answer #277935 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( "Finding the x-intercepts of the graph of the following equation
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document.write( "    y = x^2 - 1      [parabola crosses x-axis when y = 0
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document.write( "    0 = x^2 - 1
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document.write( "    x^2 = 1
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document.write( "    x = ± 1  x-intercepts are points Pt(-1,0) and Pt(1,0)
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