Question

Find the slope of the line through (4, 6) and (4, 10).

A.0
B.3
C.1/3
D. Undefined

Answer 1

D. Undefined

Explanation:

4-4 = 0, 10-6 = 4

Change of x = 0

Change of y = 4

Since the change of x is 0 (a horizontal line), it is undefined.