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Select the correct answer.

Which two points have an undefined slope?

A.
(-1,1) and (1,-1)
B.
(-2,2) and (2,2)
C.
(-3,-3) and (-3,3)
D.
(-4,-4) and (4,4)

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
2 hours ago

The slope of a line is undefined when the two points have the same x-coordinate, indicating a vertical line.

Let's analyze the options:

A. (-1,1) and (1,-1) - Different x-coordinates.
B. (-2,2) and (2,2) - Different x-coordinates.
C. (-3,-3) and (-3,3) - Same x-coordinates (undefined slope).
D. (-4,-4) and (4,4) - Different x-coordinates.

The correct answer is **C. (-3,-3) and (-3,3)**, as these points have an undefined slope.