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Mathematics 18 Online
OpenStudy (anonymous):

Which of the following ordered pairs is a solution to the inequality y < 4x + 4? (-4, 0) (-1, 0) (4, 0) (-3, -2)

OpenStudy (anonymous):

Confused on if it's A or B

OpenStudy (amistre64):

what do you get when you fill in A?

OpenStudy (anonymous):

-4<4

OpenStudy (amistre64):

4*-4 not= 4

OpenStudy (anonymous):

?

OpenStudy (amistre64):

how do you get -4 < 4 ??

OpenStudy (anonymous):

4.0=0 + 4 =4?

OpenStudy (amistre64):

when x=-4 and y=0 0 < 4(-4) + 4 -4 < -16 at best which is false

OpenStudy (anonymous):

I'm so confused..

OpenStudy (amistre64):

do you know how to read an ordered pair?

OpenStudy (anonymous):

x,y right?

OpenStudy (amistre64):

correct, so for A, x = -4 and y=0, right?

OpenStudy (anonymous):

yes

OpenStudy (amistre64):

then we get 0 < 4(-4) + 4 when we replace y with its value and x with its value

OpenStudy (anonymous):

??

OpenStudy (anonymous):

ohhhhhhh

OpenStudy (anonymous):

I see.

OpenStudy (anonymous):

I was doing it backwards.

OpenStudy (amistre64):

yeah, i still do that when I aint paying attention. try C and see what you get.

OpenStudy (anonymous):

0<20?

OpenStudy (amistre64):

yes, and that is a true outcome

OpenStudy (anonymous):

Thanks! :D

OpenStudy (amistre64):

youre welcome

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