document.write( "Question 598052: graph y= x^2 - 4 in a rectangular coordinate system \n" ); document.write( "
Algebra.Com's Answer #378439 by Alan3354(69443)\"\" \"About 
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graph y= x^2 - 4 in a rectangular coordinate system
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\n" ); document.write( "Pick values for x and find y
\n" ); document.write( "Plot the points
\n" ); document.write( "Draw a curve thru them
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\n" ); document.write( "eg x = 0, y = -4 --> (0,-4)
\n" ); document.write( "Notice that + and minus values of x give the same y, so you get 2 points.
\n" ); document.write( "Do as many points as you need, or care to.
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