Since the answer is right, Algebra Calculator shows a green equals sign. If we instead try a value that doesn't work, say x=3 (try 2x+3=7 @ 3), Algebra Calculator shows a red "not equals" sign instead. To check an answer to a system of equations containing x and y, enter ...
Here are more examples of how to check your answers with Algebra Calculator. Feel free to try them now. For x+6=2x+3, check (correct) solution x=3: x+6=2x+3 @ x=3 For x+6=2x+3, check (wrong) solution x=2: x+6=2x+3 @ x=2 For system of equations x+y=8 and y=x...
After you enter the expression, Algebra Calculator will graph the equation y=2x+1. More Examples Here are more examples of how to graph equations in Algebra Calculator. Feel free to try them now. Graph y=x^2+2x: y=x^2+2x Graph y=(x-3)^2: y=(x-3)^2 Video Lesson: Graphing...