SOLUTION: write the equation of the line that passes through (4,-2) and (4,3)

Question 602076: write the equation of the line that passes through (4,-2) and (4,3)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

First let's find the slope of the line through the points

and

Note:

is the first point

. So this means that and .
Also,

is the second point

. So this means that and .

Start with the slope formula.

Plug in , , , and

Subtract from to get

Subtract from to get

Remember, you cannot divide by zero. So this means that the slope is undefined.

Since the slope is undefined, this means that the equation of the line through the points

and

is (this is a vertical line)

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