The y-intercept, together with the slope of the line, can also be used in graphing linear equations. The slope and y-intercept of a line can be obtained easily by inspection if the equeation of the line is of the form y=mx+b where m is the slope and b is the y-intercept.
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table of values,x and y-intercept and slope and y-intercept
y=mx+b m is slope. slope is rise over run b is y-int
There is no slope nor intercept because there is no equation, simply an expression.
You can graph a linear equation slope intercept by solving the equation and plugging in the numbers : y=mx+b
It shows the Y Intercept, meaning when it would cross the Y axis, and it also shows the slope of the line, and whether it is downward sloping or upwards.