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Sup_open~study
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i need some one to show me step by step how to do this /4c2/, c= 3 it's Absolute value
 2 years ago
 2 years ago
Sup_open~study Group Title
i need some one to show me step by step how to do this /4c2/, c= 3 it's Absolute value
 2 years ago
 2 years ago

This Question is Closed

teic85 Group TitleBest ResponseYou've already chosen the best response.2
plug in 3 for c, what do you get?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
let me see :)
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
14 ?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
is that right ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
right, the value of the expression inside the absolute value is 14. But, what does absolute value mean?
 2 years ago

completeidiot Group TitleBest ResponseYou've already chosen the best response.0
examples of absolute value x=x z=z 100=100 345=345 etc etc etc
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i'm sorry an you explain more
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Do you know the definition of absolute value?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i'm sorry i don't
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Absolute value is the numerical value of a number without considering the positive or negative sign. So, the absolute value of 10 is 10. The absolute value of 2 is 2. It is just the value of the number. It is always positive.
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o ok so the "3" is just a 3 and not a "3 " so the answer would be 14
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
You are half right...
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Let's back up...
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
"3" is still 3. That doesn't change. The problem says that c = 3. So, c = 3
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
But, the problem says that you have to find /4c2/ when c = 3
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
So, plug in 3 for c just like you did before, /4(3)2/ = /122/ = /14/ So, when you plug in 3 for c, the expression equals /14/. But, the absolute value of 14 is 14.
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o ok thanks man were did you get the ? /12/ + /14? ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Where did I get 12???
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
yeah :)
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
12 is the product of 4 and 3
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
When you plug in 3 for c, you multiply 4 x 3
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o i see now wow xD thanks man for all of your help
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
You're welcome. If you have time, try these to make sure you know how to do absolute values: Find /4c2/ when c = 3 Find 4/c/2 when c = 3 Find 4c  /2/ when c = 3
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
ok awesome man thanks i will do :)
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
4c  2 Do you know how to use the shift button @teic85?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
No, how does that work?
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
Hold down the shift button when pressing the \ key
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Oh I see, I was simply using the same notation as "sup"
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Thanks for pointing that out, though :)
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
Hold down the shift button when trying to post  absolute value symbols
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Like this? 4c2
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Isn't there a keyboard shortcut for superscript too? Might come in handy for exponents
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i am stuck on this one /10z,/z =3
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i got 30
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
but i think it is wrong
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Ok, rewrite the expression after plugging in z = 3
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Also, use , it's the key above the enter key. You must use the shift key
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
/10 (3)/ like that ??
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Nope, you are using /. Press shift and \
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
lol you're teaching people already @teic85
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
And no, the expression is missing a minus
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i no clue what the shift thing is lol xD
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
lol yes @Hero, that's the purpose of Open Study right? :D
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
*have
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
haha ok, @Sup_open~study . Let's focus on the problem first.
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i think i am so post to  it and not x it ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Correct, you have to subtract z not multiply You wrote /10 (3)/ The original expression is 10z
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Be careful, you also missed the negative in front of the 10
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o i see yeah i was writing it wrong xD
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Rewrite the expression after plugging in 3 for z
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
/103/ = 13 ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
z = 3, but the expression is 10 MINUS z. So, it should be 10  (3) which is actually 10 + 3
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
so it's 7 ??
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
What is 7? You are jumping ahead... :)
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
sorry xD
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
haha it's ok :)
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
When you plug in 3 for z, you get: 10  (3)
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
That look about right to you?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
yeah thanks :)
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Ok, so we know that minus 3 is actually +3. So rewrite the entire expression with +3 in that spot
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
ok so it's 10  (3)
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Not quite, Minus 3 is +3. So, it is 10+3
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
a negative and a negative make a positive
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o i see but how would i solve that ??
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
ok, well now that that pesky z is gone, we can just focus on what is inside the absolute value. What is 10 + 3?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
 7 so it's just 7 ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
The absolute value of 7 is 7. Yes.
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o ok i see now but on the answer for the study guide he put 7 why not 7 ??
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
What's in front of the absolute value?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
i can't tell what you are looking for sorry but he had like a 1 10 + 7 ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
This is the expression: 10+3. What is in front of the absolute value?
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
a negative
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
So look at this... 7 = 7 What is 7 ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Since the negative sign is in front, it makes the expression negative. So 7 is the answer.
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
7 is different than 7
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o so it's just 7
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
No, it isn't just 7.
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
The expression in your problem has a negative in front like this, 7
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
So, the absolute value of 7 is 7. But, then you have to add the final negative (the one in front). So, it's 7
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
ok so when you have the  in front of the problem the answer is most likely going to be a  ???
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Don't think "most likely". You'll get the wrong answer. That's just guessing.
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Think about this... what is 2(1 + 3) ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Right. The negative in front changes it to negative. So, when you have a positive number times a negative number you get a negative.
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o i see so when you change the answer to positive the negative will times it and that will make it an negative ?
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
The same is true for absolute values. The negative in front of 7 is like multiplying 1 times 7 (what your teacher had in your notes)
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
o i see thanks man you have been a huge help i may have failed my test tomorrow if it was not for you
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
I'm glad to help. Just be careful not to forget negatives. They matter a lot.
 2 years ago

Sup_open~study Group TitleBest ResponseYou've already chosen the best response.0
yeah i know i got to keep on practicing those xD
 2 years ago

teic85 Group TitleBest ResponseYou've already chosen the best response.2
Exactly. If you practice, you'll get more comfortable. Eventually, you'll be able to do it in your head :)
 2 years ago
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