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Mathematics 14 Online
OpenStudy (cedric):

Select the inequality that corresponds to the given graph. 3x - 7 < 11 -4x ≥ 24 -2x + 7 ≤ 13 3(x - 2) - 3 ≥ x - 5

OpenStudy (cedric):

hero (hero):

Hint: isolate x in each inequality

OpenStudy (cedric):

ok let me try that

OpenStudy (cedric):

well from what i thin i know the answer would be C because it has the x on one side right?

OpenStudy (cedric):

??

OpenStudy (anonymous):

first, look at the inequality sign. Is it filled in? which way is the graph pointing?

OpenStudy (anonymous):

the line on the graph starts off with a filled in point, meaning it is less than/or equal to. Then it is going to the right. which means x is going to be greater than.

OpenStudy (anonymous):

Do you need anymore help? or have you left?

OpenStudy (cedric):

im here

OpenStudy (cedric):

i see what your saying now

OpenStudy (anonymous):

alright, now you can simplify. This is the easiest way to find out the answer. Which answer do you want to practice simplifying on?

OpenStudy (cedric):

well now that youve said that i believe the answer is A

OpenStudy (anonymous):

A's inequality sign is less than. The point would not be filled in and pointing to the left.

OpenStudy (cedric):

ok and you said it be greater then

OpenStudy (anonymous):

let's do C.

OpenStudy (cedric):

Aight

OpenStudy (anonymous):

-2x + 7 ≤ 13 -7 -7

OpenStudy (anonymous):

what would it look like after subtracting?

OpenStudy (cedric):

uhm like this..

OpenStudy (cedric):

-2x + 0 ≤ 6

OpenStudy (cedric):

then i think you divide by 2?

OpenStudy (anonymous):

divide by -2, which would cause you to flip the sign

OpenStudy (anonymous):

x≥3

OpenStudy (anonymous):

-3, excuse me

OpenStudy (anonymous):

and that should be it, if you read the graph correctly.

OpenStudy (cedric):

oh

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