How do you identify the slope for #x - 2y = 4#?

1 Answer
Pris
Apr 7, 2015

Let's remember the general linear equation of #y=mx+c#
We have to arrange #x-2y=4# into the form of #y=mx+c#

#x-2y=4#
#-2y=-x+4#

We have to ensure that the coefficient of y is 1 to get linear equation.

#-2y=-x+4# From here, we divide the whole equation by -2

#(-2y)/-2=(-x+4)/-2#
#y=1/2x-2#

Let's refer to the general linear equation: #y=mx+c# where #m# is the slope of a line.
#y=1/2x-2#
From here, we can see that #1/2# is in the place of #m# as the slope.
Thus, #m=1/2#

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