Mathematics
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OpenStudy (anonymous):
Given: 3x < 3.
Choose the solution set.
{x | x < 0}
{x | x > 0}
{x | x < 1}
{x | x > 1
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OpenStudy (aonz):
bring x to the other side
3x-3 <0
factorize then solve!!
OpenStudy (aonz):
3(x-1) < 0
OpenStudy (anonymous):
okk
OpenStudy (aonz):
get how to do it now?
OpenStudy (anonymous):
kinda sorta & Ty
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OpenStudy (anonymous):
My 1st yr in 10th grade... This pellet stupid hard;l
OpenStudy (aonz):
just remember to study hard!!
OpenStudy (anonymous):
Lol alright
OpenStudy (anonymous):
Can you help me another?
OpenStudy (anonymous):
Given: 9x > -36.
Choose the solution set.
{x | x < 4}
{x | x > 4}
{x | x < -4}
{x | x > -4}
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OpenStudy (aonz):
if u wish... did you get the other one?
OpenStudy (anonymous):
Yea
OpenStudy (aonz):
9x+36>0
9(x+4) > 0
OpenStudy (anonymous):
its not a negative?
OpenStudy (aonz):
we brought -36 to the other side right?
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OpenStudy (anonymous):
Right
OpenStudy (aonz):
want to know a quicker way?
OpenStudy (anonymous):
sure..
OpenStudy (aonz):
9x > -36.
divide both sides by 9
x>-4
OpenStudy (anonymous):
alright i got that one ;)
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OpenStudy (anonymous):
Given: 15x < -45.
Choose the solution set.
{x | x < -3}
{x | x > -3}
{x | x < 3}
{x | x > 3}
OpenStudy (aonz):
divide both sides by 15 and you get?
OpenStudy (anonymous):
x > -3?
OpenStudy (aonz):
close...
x< -3
OpenStudy (anonymous):
Ugh...
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OpenStudy (anonymous):
Given: -6x < 36.
Choose the solution set.
{x | x < 6}
{x | x > 6}
{x | x < -6}
{x | x > -6}
OpenStudy (aonz):
you know the first question? can you check the question again? like see if there is no typo
OpenStudy (anonymous):
this the 1st question
Given: 3x < 3.
Choose the solution set.
{x | x < 0}
{x | x > 0}
{x | x < 1}
{x | x > 1}
OpenStudy (aonz):
you sure it is right?
OpenStudy (anonymous):
yupp
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OpenStudy (aonz):
oh ok yea its x<1
OpenStudy (aonz):
if you divide or times by a negative number you switch the signs. Got it?
OpenStudy (anonymous):
Yea
OpenStudy (aonz):
-6x < 36.
If you divide by -6 the sign will switch
x>-6
OpenStudy (anonymous):
Given: 7x/2 < 5.
Choose the solution set.
{x | x < 10/7}
{x | x > 10/7}
{x | x < 35/2}
{x | x > 35/2}
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OpenStudy (aonz):
ok last question... Im tired and its midnight in Australia
7x/2 < 5.
you would times both sides by 7/2 which is
x < 35/2
OpenStudy (anonymous):
Lol alright
OpenStudy (aonz):
ok cya
OpenStudy (anonymous):
Ty