document.write( "Question 156932: Evaluate the discriminate b^2-4ac. Then use the answer to state how many real number solutions exist for the rquation \r
\n" ); document.write( "\n" ); document.write( "y=x^2+8x+16
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Algebra.Com's Answer #115700 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "From \"x%5E2%2B8x%2B16\" we can see that \"a=1\", \"b=8\", and \"c=16\"\r
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\n" ); document.write( "\n" ); document.write( "\"D=b%5E2-4ac\" Start with the discriminant formula.\r
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\n" ); document.write( "\n" ); document.write( "\"D=%288%29%5E2-4%281%29%2816%29\" Plug in \"a=1\", \"b=8\", and \"c=16\"\r
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\n" ); document.write( "\n" ); document.write( "\"D=64-4%281%29%2816%29\" Square \"8\" to get \"64\"\r
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\n" ); document.write( "\n" ); document.write( "\"D=64-64\" Multiply \"4%281%29%2816%29\" to get \"%284%29%2816%29=64\"\r
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\n" ); document.write( "\n" ); document.write( "\"D=0\" Subtract \"64\" from \"64\" to get \"0\"\r
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\n" ); document.write( "\n" ); document.write( "Since the discriminant is equal to zero, this means that there is one real solution.
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