Set 7: Linear Functions (Advanced)

Explanation

Answer: A

Find the equation of the line parallel to $y = 4$ passing through $(3, -5)$ .

$y = -5$

✓ Correct

$x = 3$

$y = 4$

$x = -5$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Parallel to horizontal. 1. Original: $y = 4$ (Horizontal). 2. New: Horizontal ( $y = k$ ). 3. Point: y-coordinate is -5. 4. Equation: $y = -5$ . Strategic Tip: Match the variable ( $y$ ) and the coordinate value ( $-5$ ). Choice B is incorrect because vertical. Choice C is incorrect because wrong value. Choice D is incorrect because vertical.

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.

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