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Mathematics 19 Online
OpenStudy (anonymous):

Pretty please help me!:) |x + 3| < 5 a)–8 < x < 2 b)–2 < x < 8 c)3 < x < 5 d)–3 < x < 5

OpenStudy (anonymous):

virtual school work?

OpenStudy (anonymous):

no.

OpenStudy (anonymous):

you remember how to do the other other one you posted earlier

OpenStudy (anonymous):

but i dont get the +3 in the straight lines

OpenStudy (anonymous):

it means the absolute value of whats inside. do you know what that means

OpenStudy (anonymous):

yea... i do

OpenStudy (anonymous):

Good for multiple choice questions you need to plug in answers till you find the right one. This would be best used on standardized tests like the SAT.

OpenStudy (anonymous):

hmm good tip

OpenStudy (anonymous):

If you get a answer that is negative, then change it into a positive

OpenStudy (anonymous):

okkk

OpenStudy (anonymous):

so if i subtract 3 from one side then i have to from the other side.... but do then i turn that into a possitive 3 on the other side?

OpenStudy (anonymous):

No just plug in the answers. Here I will do the first answer for you.

OpenStudy (anonymous):

|-8 + 3| < 5 l2 + 3l < 5 l-5l < 5 l5l < 5 5 < 5 Not true 5<5 Not true

OpenStudy (anonymous):

try this for the other 3 answers

OpenStudy (anonymous):

o ok i get how u plug it in

OpenStudy (anonymous):

|-2+3| <5 |8+3| <5 |1|<5 |5|<5

OpenStudy (anonymous):

Stuck?

OpenStudy (anonymous):

did i do it right?

OpenStudy (anonymous):

No try the third choice

OpenStudy (anonymous):

But right as in plugging in the second answer

OpenStudy (anonymous):

|3+3|<5 |5+3|<5 |6|<5 |8|<5 is that right plugging in?

OpenStudy (anonymous):

yes and it is also the correct answer

OpenStudy (anonymous):

how is it correct?

OpenStudy (anonymous):

whoops my mistake I misread the question the correct answer is B sorry

OpenStudy (anonymous):

I read it as |x + 3| > 5

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

k one quick question is this for algebra 1 or pre algebra

OpenStudy (anonymous):

algebra 1

OpenStudy (anonymous):

k I am in algebra 2

OpenStudy (anonymous):

If you think that algebra is hard than you should understand Geometry pretty well. If not well .... good luck

OpenStudy (anonymous):

lol well thanks for info on that

OpenStudy (anonymous):

k

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