Explanation:
First given points
(3 , -5) and (3 , - 5)
Now
Slope (m)
=y2 -y1
x2 -x1
= -5 + 5
3 - 3
= 0/0
= undefined
Next point
(1 , -5) and (1 , -5)
slope(m)
=y2 - y1
x2 - x1
= - 5 + 5
1 - 1
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