Set 15: Linear Functions

Explanation

Answer: A

Convert $y = 3x - 2$ to standard form.

$3x - y = 2$

✓ Correct

$3x + y = 2$

$3x - y = -2$

$x - 3y = 2$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Rearrange. 1. Subtract y: $0= 3 x - y - 2$ . 2. Add 2: $2= 3 x - y$ . 3. Result: $3x - y = 2$ . Strategic Tip: Check signs carefully when moving terms across the equals sign. Choice B is incorrect because sign error on y. Choice C is incorrect because sign error on constant. Choice D is incorrect because coefficients swapped.

Key Steps:

•

The correct answer is $3x - y = 2$

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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