Set 7: Linear Functions

Explanation

Answer: A

Find the equation of the line parallel to the x-axis passing through $(5, -3)$ .

$y = -3$

✓ Correct

$x = 5$

$y = 5$

$x = -3$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Parallel to x-axis is horizontal. 1. Form: $y = k$ . 2. Value: y-coordinate is -3. 3. Equation: $y = -3$ . Strategic Tip: Horizontal = y-value. 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 $y = -3$

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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