Mathematics
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OpenStudy (anonymous):
PLEASE HELP
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OpenStudy (anonymous):
OpenStudy (anonymous):
@iGreen @waterineyes
OpenStudy (anonymous):
yesss @iGreen is :D
OpenStudy (anonymous):
here*
OpenStudy (igreen):
You have to multiply -2 to both sides.
So what's -2 * 4? @comfylomfy
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OpenStudy (anonymous):
8
OpenStudy (igreen):
No, almost..
OpenStudy (igreen):
A negative times a positive is a negative..so what is it?
OpenStudy (anonymous):
-8
OpenStudy (igreen):
Yep, so your answer's gonna be \(-8 \ge x\) or \(x \le -8\)
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OpenStudy (anonymous):
@waterineyes
OpenStudy (anonymous):
@TheSmartOne @undeadknight26 @amistre64 @Donblue22 @ganeshie8 @hhmh4 @mathmath333
OpenStudy (amistre64):
does x=0 make a true statement?
OpenStudy (anonymous):
no
OpenStudy (amistre64):
then any x bigger than -8 fails so x has to be smaller than -8
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OpenStudy (anonymous):
D?
OpenStudy (amistre64):
4 > 0 is true ....
OpenStudy (anonymous):
yes
OpenStudy (amistre64):
when x=-8 the statements is equal .... when x=0 the statement is still true so we want a solution that says x is bigger or equal to -8
OpenStudy (anonymous):
so D
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OpenStudy (amistre64):
on D, is x on the small side or the large side of the '<'
OpenStudy (amistre64):
|dw:1413900786335:dw|
the sign tells us which side is smaller and bigger
OpenStudy (anonymous):
oh no c
OpenStudy (amistre64):
if we want it so that x is bigger than -8 ...
c is the choice :)
OpenStudy (anonymous):
thanks one more than done one sec
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OpenStudy (anonymous):
Solve.
–6 ≥ 10 – 8x
(Points : 1)
x ≥ 2
x ≥ –2
x ≤ 2
x ≤ –2
OpenStudy (anonymous):
OpenStudy (anonymous):
@amistre64