SOLUTION: Find the slope, if it exists of the line containing the pair of points. 1.(-9,-10) and (-14,-17) 2. (9,0) and (0,-6)

Question 641105: Find the slope, if it exists of the line containing the pair of points.
1.(-9,-10) and (-14,-17)
2.
(9,0) and (0,-6)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first one to get you started.

Only post one problem at a time please. Thank you.

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

Reduce

So the slope of the line that goes through the points

and

is

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