Question

Sketch y=x2 and on the same axes y=4x2

Answer 1

Simple.....make a table for x and y. For various values of x (-3, -2, -1, 0, 1, 2, 3) fill the table of y values for both equations. Then, plot those points on a graph. You get your sketches.

Answer 2

View some youtube video on graphing.

http://www.youtube.com/watch?v=c74m88mbi9k&feature=related

http://www.youtube.com/watch?v=9NBfAddEbrg&feature=relmfu

Use geogebra to graph, if you don' want to do it by hand.

http://www.geogebra.org/cms/

Answer 3

You can enter the equations on the input line of geogebra and it will graph the equations for you.