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Mathematics 7 Online
OpenStudy (anonymous):

1. y < 4x; (3, 0) (1 point)

OpenStudy (anonymous):

i really need help with this one question!!!!

OpenStudy (lgbasallote):

what's the question?

OpenStudy (anonymous):

Tell whether the ordered pair is a solution of the inequality. 1. y < 4x; (3, 0) (1 point) solution not a solution 2. y > -x – 1; (2, -3) (1 point) solution not a solution 3. y< 4x – 2; (-1, 1) (1 point) solution not a solution

OpenStudy (lgbasallote):

y < 4x; (3, 0) to verify we substitute 3 into x and 0 into y 0 <4(3) 0 < 12 is this true?

OpenStudy (anonymous):

no?

OpenStudy (anonymous):

o isnt bigger then 12

OpenStudy (lgbasallote):

< means less than

OpenStudy (lgbasallote):

0 < 12 means 0 is less than 12. is that true?

OpenStudy (anonymous):

yeah

OpenStudy (lgbasallote):

then it's a solution

OpenStudy (anonymous):

thanks?

OpenStudy (lgbasallote):

<tips hat>

OpenStudy (anonymous):

thzt only for the first one or is it not even for one of them?

OpenStudy (lgbasallote):

y > -x – 1; (2, -3) substitute 2 into x and -3 into y -3 > -(2) - 1 -3> -2 - 1 -3>-3 is this true?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i think

OpenStudy (lgbasallote):

-3 is greater than -3?

OpenStudy (anonymous):

no they = so i was right it not a sloution?

OpenStudy (lgbasallote):

yup

OpenStudy (lgbasallote):

so what do you think is the answer for the rest?

OpenStudy (anonymous):

uhhhhh ? not

OpenStudy (lgbasallote):

just try..

OpenStudy (anonymous):

SOLUTION!!!!!!!!!!!!

OpenStudy (lgbasallote):

y< 4x – 2; (-1, 1) if you substitute 1 < 4(-1) - 2 1<-4 - 2 1<-6

OpenStudy (lgbasallote):

so is it a solution?

OpenStudy (anonymous):

no

OpenStudy (lgbasallote):

right

OpenStudy (anonymous):

thanks!!!!

OpenStudy (lgbasallote):

<tips hat>

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