The ordered pair (3, –1) is a solution of which system?

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legettejamira571 legettejamira571

01-09-2017
Mathematics

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The ordered pair (3, –1) is a solution of which system?

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Find k given that (3k + 1), k, and - 3 are the first three terms of an arithmetic sequence. Show your work and please explain what you did in each step.

help me find the answer please?

texaschic101 texaschic101 · Answer 1 · 2017-09-01T19:27:57+02:00

texaschic101 texaschic101

01-09-2017

just a matter of subbing...and the solution has to satisfy both inequalities

y < = x + 1.....(3,-1)...x = 3 and y = -1
-1 < = 3 + 1
-1 < = 4 (correct)

y > = -2.....(3,-1)....y = -1
-1 > = -2 (true)

so ur answer is the first one

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