How do you write an equation of a line passes through (-1,-5) and is parallel to 3x+y=+8?

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How do you write an equation of a line passes through (-1,-5) and is parallel to 3x+y=+8?

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Answer 1 · 2018-03-23T15:55:57

#y+5=-3(x+1)#

Explanation:

First, find the slope of the line that it is parallel to, as this line will have the same slope.
#3x+y=8#
#y=-3x+8#
Therefore, #m=-3#
We can use point slope form to plug in the coordinates and the slope.
#y-y_1=m(x-x_1)#
#y+5=-3(x+1)#

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How do you write an equation of a line passes through (-1,-5) and is parallel to 3x+y=+8?

1 Answer

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