11
practice testMultiple Choice

Practice Test

Question 11 • Mathematics I

Which point is a solution to the linear inequality y is less than negative 1 half x plus 2 ?

Answer
A
2 comma 3
B
3 comma negative 2
C
negative 1 comma 3
D
2 comma 1

Explanation

Substitute the coordinates of each point into y < −½x + 2. For (3, −2), the right side is −½(3) + 2 = 0.5, and −2 < 0.5 is true. So the point (3, −2), choice B, is a solution. Choice D gives equality, and the inequality is strict, so it is not a solution.

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