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#1 2011-09-13 06:50:31

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Adding and Subtracting Rational Expressions

hey i was wondering if i got these correct

i got
3-f
4-d
5-a


3.

AThe expression cannot be simplified.

BThe expression is already simplified.

C-

   

D-


   
E-
   

F-

   



4.

   


A   The expression cannot be simplified.

B  The expression is already simplified.

C

   

D

   

E


   
F
   



5.

 

A

   

B

   

C

   

D

   

EThe expression is already simplified.

FThe expression cannot be simplified

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#2 2011-09-13 06:52:33

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

3) Is correct!
4) Is correct!
5) Is correct!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#3 2011-09-13 06:53:04

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

yay !!!

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#4 2011-09-13 06:56:09

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

5 is correct as well!!!

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#5 2011-09-14 02:02:55

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

thanks guyyssssss

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#6 2011-09-14 02:35:49

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Hi zee-f;

You are welcome. How is everything going today?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#7 2011-09-14 06:31:10

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

good am working on subtracting now am done i just need to post them

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#8 2011-09-14 06:32:42

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Oh brother, subtraction is the tough one!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#9 2011-09-14 07:04:28

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

6-c
7-b
8-a
9-d
10-d



#6-

A-

   

B-

   

C-

   

D-

   

E-The expression is already simplified.

F-The expression cannot be simplified.
   

#7-

A-

   

B-

   

C

   

D

   

E-The expression is already simplified.

F-The expression cannot be simplified.


#8-


A-

b-

c-

d-

E-The expression is already simplified.

F-The expression cannot be simplified.

#9-

A-The expression cannot be simplified.

B-The expression is already simplified.

c-

d-

e-

f-


#10-

A- The expression cannot be simplified.

B-The expression is already simplified.

c-

d-

e-

f-

Last edited by zee-f (2011-09-14 07:05:37)

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#10 2011-09-14 07:10:24

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

6c is correct.
7b is correct.
8a is correct.
9d is correct.
10d is correct.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#11 2011-09-14 07:36:43

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

hi

the questions are in the pictures

11. i got B
   
ACannot be simplified
BNo mistakes
C(4)
D(3)
E(2)
F(1)

12. i got D
   
ANo mistakes
B(1)
CCannot be simplified
D(4)
E(3)
F(2)

13. i got E
   
ACannot be simplified
B(4)
C(3)
D(2)
ENo mistakes
F(1)

14. i got C
   
A(3)
BCannot be simplified
CNo mistakes
D(4)
E(1)
F(2)

15. i got  F
   
ACannot be simplified
B(1)
C(2)
D(3)
E(4)
FNo mistakes

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#12 2011-09-14 07:43:31

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

hi zee-f

11-E

12-correct!

13-correct!

14-A

15-correct!

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#13 2011-09-14 07:52:54

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

isnt the 3(x-5)+8(x+2) ganna give me 11x+1 thats why it was incorrect in the third step on number 14 right ?

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#14 2011-09-14 07:54:46

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

(3x-15) +(8x+16) = 11x +1

I am getting 11b also. The factorization is wrong!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#15 2011-09-14 08:01:43

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

how'd you get 11-b? no mistakes?

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#16 2011-09-14 08:03:47

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

oooh ok just making sure am on the right track i have 5 more smile

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#17 2011-09-14 08:05:22

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

no i meant 11 is e

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#18 2011-09-14 08:05:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Sorry, I got a mistake on the second one that is 11E as the correct answer.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#19 2011-09-14 08:11:04

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

16-e
17-e
18-a
19-b
20-c


16.
   
A(4)
BCannot be simplified
C(3)
D(2)
ENo mistakes
F(1)

17.
   
A(4)
B(1)
CNo mistakes
D(2)
E(3)
FCannot be simplified

18.
   
A(3)
BCannot be simplified
C(1)
DNo mistakes
E(4)
F(2)

19.
   
A(4)
BNo mistakes
C(2)
D(1)
E(3)
FCannot be simplified

20.
   
A(1)
BNo mistakes
C(3)
D(4)
E(5)
F(2)

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#20 2011-09-14 08:16:45

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

16-D

17-correct!

18-D

19-correct!

20-correct!

Last edited by anonimnystefy (2011-09-14 08:16:53)

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#21 2011-09-14 08:21:10

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

16D

Oh he did them already sorry, did not see that.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#22 2011-09-14 08:25:10

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

it's okay,if the apology was meant for me.

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#23 2011-09-14 08:25:59

zee-f
Member
Registered: 2011-05-12
Posts: 1,220

Re: Adding and Subtracting Rational Expressions

i always get 2 wrong sad

One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3

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#24 2011-09-14 08:27:20

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Adding and Subtracting Rational Expressions

Yes, but you get 3 right!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#25 2011-09-14 08:28:09

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Adding and Subtracting Rational Expressions

now,that's optimism!

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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