document.write( "Question 975958: If x = 4a+7 and y = 16a2, what is y in terms of x? \n" ); document.write( "

Algebra.Com's Answer #597615 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"x+=+4a%2B7\"$ and $\"y+=+16a%5E2\"$ , \r
\n" ); document.write( "\n" ); document.write( " $\"y\"$ in terms of $\"x\"$ :\r
\n" ); document.write( "\n" ); document.write( " $\"x+=+4a%2B7\"$ ..........solve for $\"a\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x-7+=+4a\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x-7%29%2F4+=+a\"$ .......substitute in $\"y+=+16a%5E2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"y+=+16%28%28x-7%29%2F4%29%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+16%28%28x-7%29%5E2%2F4%5E2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+cross%2816%29%28%28x-7%29%5E2%2Fcross%2816%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+%28x-7%29%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+x%5E2-14x%2B49\"$ \r
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