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Equation of a Straight Line. The equation of a straight line is usually written this way: y = mx + b. (or "y = mx + c" in the UK see below) What does it stand for? y = how far up. x = how far along. m = Slope or Gradient (how steep the line is) b = value of y when x=0. How do we find "m" and "b"?
- Point-Slope
What About y = mx + b ? You may already be familiar with the...
- Y Intercept
Point. The y-intercept is an (x,y) point with x=0, so we...
- Straight Line Graphs
Move the m and b slider bars to explore the properties of a...
- Point-Slope
The equation y = mx + c can be derived from the slope formula. Here we take a point (0, c) on the y-axis, and an arbitrary point (x, y) on the line. With these two points, we aim at finding the slope 'm' of the line.
Free line equation calculator - find the equation of a line given two points, a slope, or intercept step-by-step
The general equation of a straight line is y = mx + c, where m is the slope of the line and c is the y-intercept. There are different forms such as point-slope form, slope-intercept form, general form, standard form, etc.
The general equation of a straight line is y = mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercepton the y-axis.
This calculator will find the equation of a line (in the slope-intercept, point-slope, and general forms) given two points or the slope and one point, with steps shown. Related calculators: Slope Calculator, Parallel and Perpendicular Line Calculator. Choose type: Two points Slope and point. Enter two points or.
The standard form of a line is simply a special way of writing the equation of a line. You are probably already familiar with the slope-intercept form of a line, y = mx + b.
