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Question 190408: How do I sketch the graph for this equation?
{x^2+y^2=9
{16x^2+9y^2=144
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! How do I sketch the graph for this equation?
{x^2+y^2=9
{16x^2+9y^2=144
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I see 2 equations.
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For these 2, solve for x or y, most solve for y.
Then, plug in values for x, and get a value for y to find points on the graph. When you have enough points, connect them with a smooth curved line.
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Another way is to dl the (free) software at
http://www.padowan.dk.com/graph/
and have it done for you.
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If you solve for y, then click Function, then Insert Function.
You can also click on Function, then Insert Relationship, and enter the equations as the are above,.
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