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A straight line passes through the point (2, 0) and has gradient m. Write down the...

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saj-94 | (Level 1) Salutatorian

Posted September 17, 2013 at 10:10 AM via web

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A straight line passes through the point (2, 0) and has gradient m. Write down the equation of the line.

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jeew-m | College Teacher | (Level 1) Educator Emeritus

Posted September 17, 2013 at 10:14 AM (Answer #1)

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The equation of a straight line can be given by;

`y=mx+c`

Where `m` is gradient and `c` is intercept.

Since this line posses through (2,0)

`0=mxx2+c`

`c=-2m`

So the equation of the straight line is given as;

`y=mx-2m =m(x-2)`

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