You can make a formula of finding the slope of an area buy first finding the equation of the line using: y - y1 = m ( x - x1 ).
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You use point-slope form to find the equation of a line if you only have a point and a slope or if you are just given two point. Usually you will convert point-slope form to slope-intercept form to make it easier to use.
The slope is usually derived from the equation y = mx + b where m is the slope and b is the y-intercept. Slope: m = (y2 - y1)/(x2 - x1) As for finding intercepts, for finding the y intercept, look for the b in the equation or make x = 0, for x-intercepts, make y = 0.
first make it fit into the standard formula.(y=mx+b) y=1/1x-2 1/1 is the slope and -2 is the y intercept.
Two coordinates define a point. You need two pairs of two coordinates to define two points and, therefore, a slope.
Squared. When you find surface area, you are only finding the area of the shapes that make up the three-denominational shape.