The slope formula is defined as the rise over the run, a.k.a the change in Y over the change in X.
m= (y1-y2)/(x1-x2).
For a Vertical Line, the rise is infinite while the run is zero, suggesting a slope of infinity/zero (because the slope is the rise over the run).
Zero can be put into infinity an infinite amount of times, describing an INFINITE SLOPE, which limit calculus is required to reveal. However, for algebra students, this value, infinity, or the infinite slope, is described as UNDEFINED. This is because algebra students have not yet received sufficient math tools to define infinity! Be patient and don't get too excited, calculus will reveal much :)
SO...
For CALCULUS students: Vertical lines have an infinite slope
For ALGEBRA students: Vertical lines have an undefined slope
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You need a pair of coordinates to work out the slope-intercept equation.
Hello, the actually way to find it out is if you Half the sum of the parallel sides x The vertical distance between them. Eg. 1/2 (A+B) x Height.
To work out the equation of a straight line the slope and an (x, y) coordinate must be given
There is an infinite number of answers. Here is how to work it out The equation for any line is y = mx +c where m is the slope of the line and c, the point where the line crosses the y axis. Now put the point (-1, 5) into the equation: ==> 5 = -m +c ==> c = 5 +m Then just substitute different values for m (the slope) e.g. if the slope is 2, then c=7 so the line is y = 2x +7 e.g. if the slope is -6, then c = -1 so the line is y = -6x -1 These two lines intersect at (-1, 5) You can choose any slopes you like (including fractions) and you will get a pair of lines that intersect at (-1,5)
efficiency formula is (Wout/Win)*100% Wout is the work done by the machine is called the output work Win is the work done by you on a machine is called the input work efficiency= useful work output/work input For science, the effiency is: AMA/IMA * 100