OnlineCorrection.com is a tool designed to find spelling, as well as basic grammar and stylistic mistakes, in English texts. If you experience any problems or discover any inaccuracies, please let us know by filling in the form on the contact page.You can also use our online mathway calculator for your un-understandable questions. Here m is a slope and b is y intercept. So the graph of this linear equation will be a line. the slope (m) determines how the line will go upward or downward. and where is the y-intercept is the line which will cross the y-axis on the graph.