Which two of the following pairs of coordinates will have a slope that is undefined?
(6, -9) and (-6, -9)
(-6, 1) and (-6, 17)
(6, 1) and (6, 9)
(-6, 1) and (6, 1)
1 answer
(6, -9) and (6, 1)
(6, -9) and (-6, -9)
(-6, 1) and (-6, 17)
(6, 1) and (6, 9)
(-6, 1) and (6, 1)
1 answer