for the slope to be undefined, the line would be vertical
a vertical line has all its x's the same,
so .....
Which pair of points lie on a line with an undefined slope?
a. (0,4) (4,0)
b. (0,2) (2,2)
c. (4,0) (4,4)
d. (4,4) (2,2)
4 answers
is it "d"
ummh, are the x's the same in d) ?
oo i got it..... its c...bcoz both are 4