TI-84 plus calculator help? Can't graph correctly?

To graph two equations on a TI-84+ press the y= button in the top left.

Type the equations into y1=, y2=, etc., making sure that the independent variable is X. For example:

y1= x^2+2x-3

y2 =2X^2-3x+4

Hit the graph button, also on the top of the calculator. You should get a pair of axes, and, if you used the two equations above, two parabolas. If you don't:

You may have something odd with your Graph format. Press the format button (2nd Zoom) and make sure your axes are on.

More likely, the zoom window is not appropriate for the graph you are trying to view. You can either set the window manually in the window menu (press Window, set Xmin, Xmax, Ymin, Ymax), or you can let the calculator try to figure out the best window, by pressing the zoom button and going to "Zauto," or you can go to the standard window with "ZStandard"

Hope this helps.

i sure can, im a freshman taking a junior class and i use one too. ALL YOU DO IS press y= at the top of your calculator...

IT WILL LOOK LIKE :

y1=

y2=

y3=

type in your fist line in y1=

then your second line in y2=

then press GRAPH

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