anonymous
  • anonymous
I have a work sheet from my algebra 2 class involving greater than and less than signs and im confused can anyone help?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[-12\le d +7\]
marihelenh
  • marihelenh
You need to isolate the variable. So, subtract 7 from both sides.
anonymous
  • anonymous
What do you get

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anonymous
  • anonymous
i forgot the steps and the special tricks that are specificaly used when it involves a greater than or less than signs @twistnflip
marihelenh
  • marihelenh
The only thing you really have to remember is that when multiplying or dividing by a negative number, the sign flips.
anonymous
  • anonymous
\[-19\le d\]
marihelenh
  • marihelenh
Yes, that is correct! You don't have to do any graphing or such right?
anonymous
  • anonymous
nope! Thank you i have a couple more if i can give you my final answers?
anonymous
  • anonymous
yes
anonymous
  • anonymous
go ahead I will check them
anonymous
  • anonymous
okay i gotta due them ill tag you guys when im done
anonymous
  • anonymous
ok
anonymous
  • anonymous
\[1z-1\ge 2z-3\]
anonymous
  • anonymous
and i got
anonymous
  • anonymous
\[z \ge 2\]
anonymous
  • anonymous
eek, check your work on that one, I got something different
marihelenh
  • marihelenh
What was your work @mmrachel ?
anonymous
  • anonymous
JK nevermind, I need to check my work. You are correct, sorry about that
anonymous
  • anonymous
so i divided the negative 1 and didnt change any of the signs was i supposed to?
marihelenh
  • marihelenh
If you divide by a negative, you flip the sign.
anonymous
  • anonymous
correct can you please type your work, it may be easier to check it
anonymous
  • anonymous
ok i will
marihelenh
  • marihelenh
You had the correct answer, the sign just needed to be flipped.
anonymous
  • anonymous
so instead of greater than its less than?
anonymous
  • anonymous
yes
anonymous
  • anonymous
anymore?
anonymous
  • anonymous
yes
anonymous
  • anonymous
\[\frac{-2 }{ 3 }r \le \frac{ 7 }{ 12 }\]
anonymous
  • anonymous
what did you get?
anonymous
  • anonymous
\[r \le \frac{ 21 }{ 24 }\]
anonymous
  • anonymous
eek ok, I actually check my work on this one and that is wrong, mind typing your steps?
anonymous
  • anonymous
i times both sides by the recipricole 3/-2 on both sides then i just multiplied 7/12 by 3/-2
anonymous
  • anonymous
ok well silly, you forgot to simplify lol. what do 21 and 24 have in common
anonymous
  • anonymous
3?
anonymous
  • anonymous
it simplifies to -7/8 (you accidentally cancelled the negative) final answer would be \[r \ge \frac{ -7 }{ 8 }\]
anonymous
  • anonymous
make sense?
anonymous
  • anonymous
yeah! lol i didnt do half bad. thanks again,
anonymous
  • anonymous
no problem!!
anonymous
  • anonymous
that was it
anonymous
  • anonymous
great where should I post my english 2? I will post it in english and tag you will you come try?
anonymous
  • anonymous
yes i will

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