document.write( "Question 156855: how do i graph the circle, x^2 + 4y^2 =1 \n" ); document.write( "
Algebra.Com's Answer #115645 by Alan3354(69443)\"\" \"About 
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how do i graph the circle, x^2 + 4y^2 =1
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\n" ); document.write( "That's an ellipse.
\n" ); document.write( "To graph either, or any curve, you plot a number of points and then connect them with smooth lines.
\n" ); document.write( "To find the points, solve for one variable in terms of the other. In this case:
\n" ); document.write( "x = sqrt(1 - 4y^2)
\n" ); document.write( "You can use Excel to find any # of points, and to make the graph.
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