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Mathematics 8 Online
OpenStudy (anonymous):

[5.05] Which of the following ordered pairs is a solution to the inequality y less than or equal to -2x + 8? Select one: a. (0, -4) b. (5, -1) c. (7, 0) d. (9, 1)

Directrix (directrix):

y ≤ -2x + 8 Test the options. There appears to be more than one correct option. I'll do the first test. That leaves 3 for you.

Directrix (directrix):

a. (0, -4) Test ----------- y ≤ -2x + 8 Is -4 ≤ -2 * (0) + 8 ? -4 ≤ 0 + 8 -4 ≤ 8 YES so Option A works. Check the others, @Jiujitsu4life

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