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General form of a line (1 Viewer)

Thread starter BlueGas
Start date Oct 9, 2015

BlueGas

Well-Known Member

#1

Is the general form of a line y = mx+b or ax + by+ c = 0?

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InteGrand

Well-Known Member

#2

BlueGas said:
Is the general form of a line y = mx+b or ax + by+ c = 0?

$It is $ax+by +c =0$, written with $a>0$ for a non-vertical line, e.g. $2x + 3y -4 = 0$.$

Last edited: Oct 9, 2015

BlueGas

Well-Known Member

#3

InteGrand said:
$It is $ax+by +c =0$, written with $a>0$ for a non-vertical line, e.g. $2x + 3y -4 = 0$.$

And the gradient intercept is y = mx+b right?

Speed6

Retired '16

#4

BlueGas said:
And the gradient intercept is y = mx+b right?

Yes, $y=mx+b$ is the gradient-intercept equation.

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