7
algebra

A line passes through (3,5)(3, 5) and (3,10)(3, 10). What is its slope?

A

Undefined

B

00

C

55

D

11

Correct Answer: A

Choice A is the correct answer. Vertical line check.

  1. Check x: Both x-coordinates are 3.
  2. Conclusion: Vertical line (x=3x=3).
  3. Slope: Undefined.

💡 Strategic Tip: Division by zero (3−3=03-3=0) in the denominator means undefined slope.

Choice B is incorrect.Choice C is incorrect.Choice D is incorrect.