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Mathematics 21 Online
OpenStudy (anonymous):

Which of the following ordered pairs is a solution of y < 2x -6? Please help me, I prefer to learn this, not be given the answer, can you walk me step by step! Thanks

OpenStudy (aroub):

Okay, can you type the ordered pairs ?

OpenStudy (anonymous):

Sure thing! (0,5) (2, -3) (5, 8)

OpenStudy (aroub):

Great, now all you you gotta do is substitute and see if it's correct or incorrect.

OpenStudy (aroub):

& you know that the ordered pair is (x,y) right?

OpenStudy (aroub):

So for the first one, y<2x-6 , (0,5) Substitute the 0 with x and y with 5 => 5<2(0)-6 simplify => 5<-6 Is 5 less than -6

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