document.write( "Question 123950: Find the x-intercepts. y = x2 – 4x + 4 \n" ); document.write( "
Algebra.Com's Answer #90911 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
To find the x-intercepts, set y equal to zero \r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-4x%2B4=0\" \r
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\n" ); document.write( "\n" ); document.write( "\"%28x-2%29%28x-2%29=0\" Factor the left side (note: if you need help with factoring, check out this solver)\r
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\n" ); document.write( "\n" ); document.write( "Now set each factor equal to zero:\r
\n" ); document.write( "\n" ); document.write( "\"x-2=0\" or \"x-2=0\" \r
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\n" ); document.write( "\n" ); document.write( "\"x=2\" or \"x=2\" Now solve for x in each case\r
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\n" ); document.write( "\n" ); document.write( "Since we have a repeating answer, our only answer is \"x=2\"\r
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\n" ); document.write( "\n" ); document.write( "Notice if we graph \"y=x%5E2-4x%2B4\" we can see that the only root is \"x=2\". So this visually verifies our answer.\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C0%2C+x%5E2-4x%2B4%29+\"
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