Question 8 Answer & Explanation - SAT Algebra

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algebra

Which equation represents the line passing through $(2, 3)$ perpendicular to $x = 4$ ?

$y = 3$

$x = 2$

$y = 2$

$x = 3$

Correct Answer: A

Choice A is the correct answer. Perpendicular to vertical is horizontal.

Original: $x = 4$ (Vertical).
New: Horizontal ( $y = k$ ).
Point: y-coordinate is 3.
Equation: $y = 3$ .

💡 Strategic Tip: Don't overthink slopes for vertical/horizontal lines.

Choice B is incorrect because parallel. Choice C is incorrect because wrong value. Choice D is incorrect because wrong value.

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Linear Functions Set 92

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