10
algebra

Which equation represents a vertical line passing through (−2,7)(-2, 7)?

A

x=−2x = -2

B

y=7y = 7

C

y=−2y = -2

D

x=7x = 7

Correct Answer: A

Choice A is the correct answer. Vertical line.

  1. Form: x=kx = k.
  2. Value: x-coordinate is -2.
  3. Equation: x=−2x = -2.

💡 Strategic Tip: Vertical lines ignore the y-coordinate.

Choice B is incorrect because horizontal. Choice C is incorrect because horizontal. Choice D is incorrect because wrong coordinate.

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Linear Functions Set 87