Set 13: Linear Functions

Explanation

Answer: A

A line passes through $(2, 5)$ and has a slope of 0. What is its equation?

$y = 5$

✓ Correct

$x = 2$

$y = 2$

$x = 5$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Horizontal line. 1. Slope 0: Horizontal ( $y = k$ ). 2. Point: y-coordinate is 5. 3. Equation: $y = 5$ . Strategic Tip: Zero slope $\rightarrow$ Y equals. Choice B is incorrect because it is vertical. Choice C is incorrect because wrong coordinate. Choice D is incorrect because wrong coordinate.

Key Steps:

•

The correct answer is $y = 5$

Why others are wrong:

B: Choice B is incorrect and may result from a calculation error.

C: Choice C is incorrect and may result from a calculation error.

D: Choice D is incorrect and may result from a calculation error.

← Previous Next →

🎯 Keep Practicing!

Master all sections for your best SAT score

📚Reading & Writing→📖Vocabulary→