You can't actually graph it on a ti-84 calculator, but an app on the calculator can. The app is called "Inequality Graphing". Most ti-84 calculators come with that app, but to check go into your apps section on your calculators and find an app called "Inequalz" (short for Inequality Graphing). If you don't have it don't panic; I am sure you will be able to download it form online to your calc. After you open up the app it will look just like the "Y=" button on the calc. just with a "X=" on the top left corner. So click the "X=" and now you can graph X on the calculator.
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It is not possible to draw a graph using this browser.
solve for y so if x + y = 0 then y = -x
There are none. For this equation, there is nonreal answer, as the graph of the quadratic does not pass below the x-axis
The graph of the inequality ( X + 7 ) < 13 is the entire infinite half of the x-y plane to the left of the vertical line ( X = 6 ), but not including the line itself.