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#1 2021-07-20 00:58:10

Hannibal lecter
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Registered: 2016-02-11
Posts: 392

Find an equation for the line with slope m through the point (a, c)

Find an equation for the line with slope m through the point (a, c)
the solution is y − c = m(x − a)
but how cold that be graphically?


Wisdom is a tree which grows in the heart and fruits on the tongue

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#2 2021-07-20 01:09:33

Bob
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Registered: 2010-06-20
Posts: 10,053

Re: Find an equation for the line with slope m through the point (a, c)

hi Hannibal lecter

(x,y) is the general point on the line and (a,c) is another known point.

To calculate a gradient you pick two points, find the difference in y coordinates and divide by the difference in x coordinates.

Then multiplying both sides by (x-a) gives the equation you have stated.

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#3 2021-07-23 04:45:24

Mark Dater
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Registered: 2021-07-23
Posts: 12

Re: Find an equation for the line with slope m through the point (a, c)

Could you please send me more graphs?

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