Set 10: Linear Functions (Advanced)

Explanation

Answer: A

Identify the y-intercept of $x - y = 5$ .

$-5$

✓ Correct

$5$

$1$

$-1$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Set $x=0$ . 1. Substitute: $-y = 5$ . 2. Solve: $y = -5$ . Strategic Tip: Don't forget the negative sign attached to $y$ . Choice B is incorrect because sign error. Choice C is incorrect because coefficient of x. Choice D is incorrect because coefficient of y.

Key Steps:

•

The correct answer is $-5$

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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