6

Set 11: Linear Inequalities

Explanation

Answer: A

Which point is in the solution set of y>x2y > |x| - 2?

A.

(0,0)(0, 0)

✓ Correct
B.

(2,0)(2, 0)

C.

(3,0)(3, 0)

D.

(0,3)(0, -3)

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Test points. 1. Test (0,0): 0>020>20> |0| - 2 \rightarrow 0 > -2. True. 2. Test (2,0): 0>220>00> |2| - 2 \rightarrow 0 > 0. False. 3. Test (3,0): 0>320>10> |3| - 2 \rightarrow 0 > 1. False. 4. Test (0,-3): 3>023>2-3 > |0| - 2 \rightarrow -3 > -2. False. Strategic Tip: The graph is a V-shape shifted down 2 units. Shading is "inside" the V. Choice B is incorrect (boundary). Choice C is incorrect. Choice D is incorrect.

Key Steps:

The correct answer is (0,0)(0, 0)

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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