Question

Which line has an undefined slope?
Y
X
Z
W
x?
https://media.studyisland.com/userfiles/ok8lgraph1.gif

Answer 1

Remember that cute little formula, which gave you the rate of change?

Answer 2

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Answer 3

\[m = \frac{ y_{2}-y _{1} }{ x _{2}-x _{1} }\]

So what part of this would have to be 0 for it to be undefined?

Answer 4

IKRAM

Answer 5

vertical lines always have a slope that is undefined
which line is vertical?

Answer 6

But, yes would have to be 0, therefore the vertical line.

Answer 7

a vertical line has no run..... all it has is rise... wo which fits this discription... horizontal or vertical...

Answer 8

x?

Answer 9

correct.