Set 15: Linear Functions (Intermediate)

Explanation

Answer: A

Write the equation of the line with slope 0 passing through $(0, -4)$ .

$y = -4$

✓ Correct

$x = 0$

$y = 0$

$x = -4$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Horizontal line. 1. Slope 0: Horizontal ( $y=k$ ). 2. Intercept: $(0, -4)$ is the y-intercept. 3. Equation: $y = -4$ . Strategic Tip: Horizontal lines are defined by their y-intercept. 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 $y = -4$

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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