What is the equation of the line that passes through (-3,-1) and has a slope of 2/5 ?

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Answer 1 · 2018-04-16T02:54:23

#=>y = 2/5x + 1/5#

Point-slope equation of a line:

#=> y_1 - y = m(x_1 - x)#

Now we solve for #y#:

#=> -1 - y = (2/5)(-3-x)#

#=>-1-y = -6/5 -2/5x#

#=> -y = -1/5 - 2/5x#

#=> y = 1/5 + 2/5 x #

#=> color(blue)(y = 2/5x + 1/5 )#