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\[options a. b \ge 8 ,b \ge -6 , c. b \le 8 ,d. b \le -6\]
What is the question?
oh yah ok \[-b-7 \le -1\]
solve algebraically. u got this thing!
i need help that is why i asked
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.
One treats an inequality just like and equation algebraically except that the inequality is reversed when multiplied or divided by a negative number.
So what answer did you get ashlynn?
not yet hold on let me think then i will ask
so is it \[b \le -6\]
Well I think you forgot 1 step that both I and wetlife have said about multiplying or dividing by negatives.
b>-6 i suppose
i didn't need to here i will show you how i got it
\[-b-7 \le -1\] \[-b \le 6 \] b>=-6
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.
\[-b - 7\le -1 \] \[-b - 7 = -1\] \[-b = 6\] \[-b \le 6\]
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
yes so i would divide it like this ?? |dw:1357805403002:dw|
ummm.. no. Because you want b on one side, you would not divide both sides by b. Hint: -5= -1*5.
what where would you get a negative 5 and that is a 6 in my drawing
b/b=1 if b not 0 and 6/b=6/b.
now you have -1<=6/b
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
ok i thought that it involved my question
Well I learned something in the process, so thank you.
what is that
what is the * thing in the hint / example
it means times
but isn't it that what you do on one side you do to the other to
Yes. That is correct. So what do you understand so far?
ok so i think i know how to solve the problem correctly this time
Correct. I am assuming that you either multiplied both sides by -1 or divided both sides by -1
i multiplied both sides but i got it correct??
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
ok thank you
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|
yes i know that as well because is you were to do x on a problem like this it would get someone confused
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?
Well Im probably going to crash for the night pretty soon. Its 12:30 am for me.