Sarah is simplifying the rational expression
3x + 6
------
3x
. She cancels the 3x's and states that the answer is 6. Matt tells her that she is incorrect. What is one example that he could use to show her that this is incorrect?
A)
4 + 6
-----
4
≠ 6
B)
6
-----
4 + 6
≠ 4
C)
4 + 6
-----
4 + 3
≠ 2
D)
4
-----
4 + 6
≠
1
-
6
@study312
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OpenStudy (heart_offire):
\[\neq these symbols are supposed to be on the side of the dividing options
OpenStudy (heart_offire):
the answer i got isnt listed
OpenStudy (study312):
idk
OpenStudy (heart_offire):
ummm.....what?
OpenStudy (study312):
I don't know aka idk
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OpenStudy (heart_offire):
well do you have an idea? or a suggestion?
OpenStudy (study312):
I looked it up and I got a lot of different answers
OpenStudy (study312):
I think it's D because one thing I am reading says it got rid of the 6
OpenStudy (study312):
"Say that x is 4, then it would be
12 + 6 OVER 12,
which simplifies to 18 OVER 12
which simplifies to 1 and one-half
which is NOT six."
"3x over 3x =1 and 6 over 3x = 2/x so the answer is 1 + 2/x"
OpenStudy (study312):
so my guess is D
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