anonymous
  • anonymous
please help MEDALS WILL BE GIVEN!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[options a. b \ge 8 ,b \ge -6 , c. b \le 8 ,d. b \le -6\]
anonymous
  • anonymous
What is the question?
anonymous
  • anonymous
oh yah ok \[-b-7 \le -1\]

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anonymous
  • anonymous
solve algebraically. u got this thing!
anonymous
  • anonymous
i need help that is why i asked
anonymous
  • anonymous
Well think of the question with the less than or equal to symbol as an equal sign. Just remember if you divide by a negative the symbol will become a greator than or equal to.
anonymous
  • anonymous
One treats an inequality just like and equation algebraically except that the inequality is reversed when multiplied or divided by a negative number.
anonymous
  • anonymous
So what answer did you get ashlynn?
anonymous
  • anonymous
not yet hold on let me think then i will ask
anonymous
  • anonymous
so is it \[b \le -6\]
anonymous
  • anonymous
or d
anonymous
  • anonymous
Well I think you forgot 1 step that both I and wetlife have said about multiplying or dividing by negatives.
DLS
  • DLS
b>-6 i suppose
anonymous
  • anonymous
i didn't need to here i will show you how i got it
DLS
  • DLS
\[-b-7 \le -1\] \[-b \le 6 \] b>=-6
anonymous
  • anonymous
DLS the problem with your work is that your less than or equal to sign cannot end up as a greator than sign. It is impossible for that to happen.
anonymous
  • anonymous
\[-b - 7\le -1 \] \[-b - 7 = -1\] \[-b = 6\] \[-b \le 6\]
anonymous
  • anonymous
yes ashylnn, but you are missing the last step. You must simplify equation. .You are not looking for what negative b is, but you are looking for just the variable b
anonymous
  • anonymous
yes so i would divide it like this ?? |dw:1357805403002:dw|
anonymous
  • anonymous
ummm.. no. Because you want b on one side, you would not divide both sides by b. Hint: -5= -1*5.
anonymous
  • anonymous
what where would you get a negative 5 and that is a 6 in my drawing
anonymous
  • anonymous
b/b=1 if b not 0 and 6/b=6/b.
anonymous
  • anonymous
now you have -1<=6/b
anonymous
  • anonymous
ashylnn my point is to help. It is not to give answers. The example of -5 = 5*-1 is an example to help give you a hint. It has nothing to do with your problem. It is to give you an idea of where you need to fix
anonymous
  • anonymous
ok i thought that it involved my question
anonymous
  • anonymous
Well I learned something in the process, so thank you.
anonymous
  • anonymous
what is that
anonymous
  • anonymous
what is the * thing in the hint / example
anonymous
  • anonymous
it means times
anonymous
  • anonymous
ok
anonymous
  • anonymous
but isn't it that what you do on one side you do to the other to
anonymous
  • anonymous
Yes. That is correct. So what do you understand so far?
anonymous
  • anonymous
ok so i think i know how to solve the problem correctly this time
anonymous
  • anonymous
|dw:1357806023062:dw|
anonymous
  • anonymous
right
anonymous
  • anonymous
Correct. I am assuming that you either multiplied both sides by -1 or divided both sides by -1
anonymous
  • anonymous
i multiplied both sides but i got it correct??
anonymous
  • anonymous
multiplying by both sides is the correct way. I am also saying that if you had divided it by -1 you would have gotten the same answer. Both ways are correct
anonymous
  • anonymous
ok thank you
anonymous
  • anonymous
Also I have noticed you are using the asteric symbol. Just remember that asteric symbol is only used on the computer. When done on paper, the correct way is to use a dot in the middle|dw:1357806252885:dw|
anonymous
  • anonymous
yes i know that as well because is you were to do x on a problem like this it would get someone confused
anonymous
  • anonymous
Yep.
anonymous
  • anonymous
ok thanks you very much maybe now i can kinda do the other ones good and if there is really hard one can i ask you for help?
anonymous
  • anonymous
@blahblah_who_cares ^^^^
anonymous
  • anonymous
Well Im probably going to crash for the night pretty soon. Its 12:30 am for me.
anonymous
  • anonymous
ok thanks
anonymous
  • anonymous
good night

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