document.write( "Question 614263: How would you rewrite 4x^2+25y^2=100, and then make a table from that equation I'm not understanding how you would put values like say 0 for x and solve for y in the equation? \n" ); document.write( "
Algebra.Com's Answer #386966 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
4x^2 + 25y^2 = 100, and then make a table from that equation
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\n" ); document.write( "25y^2 = -4x^2 + 100
\n" ); document.write( "y^2 = \"%28%28-4x%5E2%2B100%29%29%2F25\"
\n" ); document.write( ":
\n" ); document.write( "y = +/-\"sqrt%28%28-4x%5E2%2B100%29%2F25%29\"
\n" ); document.write( ":
\n" ); document.write( "x=0
\n" ); document.write( "y = +/-\"sqrt%28%28-4%280%29%2B100%29%2F25%29\"
\n" ); document.write( "y = +/-\"sqrt%28100%2F25%29\"
\n" ); document.write( "y = +/-\"sqrt%284%29\"
\n" ); document.write( "y = +/-2
\n" ); document.write( ":
\n" ); document.write( "x=5
\n" ); document.write( "y = +/-\"sqrt%28%28-4%285%5E2%29%2B100%29%2F25%29\"
\n" ); document.write( "y = +/-\"sqrt%280%2F25%29\"
\n" ); document.write( "y = 0
\n" ); document.write( ":
\n" ); document.write( "x=-5
\n" ); document.write( "y = +/-\"sqrt%28%28-4%28-5%5E2%29%2B100%29%2F25%29\"
\n" ); document.write( "y = +/-\"sqrt%280%2F25%29\"
\n" ); document.write( "y = 0
\n" ); document.write( ":
\n" ); document.write( "I picked values for x that gave integers, the domain will be -5 to +5
\n" ); document.write( ":
\n" ); document.write( "a Table from my Ti-83
\n" ); document.write( " x | y
\n" ); document.write( "-------
\n" ); document.write( "-5 | 0
\n" ); document.write( "-4 |1.2
\n" ); document.write( "-3 |1.6
\n" ); document.write( "-2 |1.83
\n" ); document.write( "-1 |1.96
\n" ); document.write( " 0 | 2
\n" ); document.write( "+1 |1.96
\n" ); document.write( "+2 |1.83
\n" ); document.write( "+3 |1.6
\n" ); document.write( "+4 |1.2
\n" ); document.write( "+5 | 0
\n" ); document.write( "and the neg portion of the +/- square root
\n" ); document.write( " x | y
\n" ); document.write( "--------
\n" ); document.write( "-5 | 0
\n" ); document.write( "-4 |-1.2
\n" ); document.write( "-3 |-1.6
\n" ); document.write( "-2 |-1.83
\n" ); document.write( "-1 |-1.96
\n" ); document.write( " 0 | -2
\n" ); document.write( "+1 |-1.96
\n" ); document.write( "+2 |-1.83
\n" ); document.write( "+3 |-1.6
\n" ); document.write( "+4 |-1.2
\n" ); document.write( "+5 | 0\r
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