Set 4: Linear Functions

Explanation

Answer: A

Find the intersection of $y = 2x + 1$ and $y = 2x + 3$ .

No solution

✓ Correct

Infinite solutions

$(0, 1)$

$(1, 3)$

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Parallel lines. 1. Slopes: Both 2. 2. Intercepts: 1 and 3 (Different). 3. Result: Parallel lines never intersect. Strategic Tip: $2x+1 = 2 x+3 \rightarrow 1=3$ (False). Choice B is incorrect because distinct lines. Choice C is incorrect. Choice D is incorrect.

Key Steps:

•

The correct answer is No solution

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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