Posted by **Charlotte** on Thursday, September 19, 2013 at 6:05pm.

1. What is the simplified form of the expression?

7m^2 + 6.5n - 4n + 2.5m^2 - n

9.5m^2 + 1.5n

4.5m^2 + 1.5n

1.5m^2 - 4.2n

9.5m^2 - 1.5n

2. What is the sum?

9/4 + (-1/5)

41/20

-41/20

-1/3

8/20

3. Order the following numbers from least to greatest.

√7, -2.3, √3, 5.1, -1/3

√7, -2.3, -1/3, √3, 5.1

-2.3, -1/3, √3, √7, 5.1

-2.3, -1/3, 5.1, √3, √7

√3, √7, -1/3, -2.3, 5.1

4. What sum or difference is equivalent to the expression?

3x - 2/9

1/3x-2/9

2/9x-1/3

1/9x

2/9

My answers:

1. 9.5m^2 + 1.5n

2. 41/20

3. -2.3, -1/3, √3, √7, 5.1

4. 1/9x

- Math 75% -
**Graham**, Thursday, September 19, 2013 at 6:08pm
Answer 1. is correct

Answer 2. is correct

Answer 3. is correct

Answer 4. is _wrong_

- Math help Ms. Sue please -
**Ms. Sue**, Thursday, September 19, 2013 at 6:11pm
I don't know 1 and 4.

2 and 3 are right.

- Math help Ms. Sue please -
**Charlotte**, Thursday, September 19, 2013 at 6:14pm
Ok thanks Graham and Mrs.Sue!

So is #4

2/9x-1/3 ?

- Math help Ms. Sue please -
**Graham**, Thursday, September 19, 2013 at 6:15pm
The answer to 1 and 4 is to rearrange to collect like terms.

I suspect _Question_ 4 is wrong.

3x - 2/9

was probably meant to be :

(3x-2)/9

- Math help Ms. Sue please -
**Charlotte**, Thursday, September 19, 2013 at 6:22pm
Ok thank you for your time

## Answer This Question

## Related Questions

- Math - Using the formula r = d/t, where d is the distance in miles, r is the ...
- math 12 - sequences and series - Given the expression Sn = n^2 + 2n for the sume...
- math - Can someone please check ny answers and tell me if I'm correct? I did the...
- Algebra Answer Check - What is the simplified form of the following expression? ...
- MATH HELP - 1)What is the simplified form of the following expression? 2x^2y+3x^...
- Math (Very Easy Math) - I'm kind of confused as to what simplified mean? Can you...
- Last questions Ms. Sue please for math - 1. To which subset(s) does the number...
- Algebra - Please check all of my answers and tell me if they are right. 1. ...
- Algebra - What is the simplified form of each expression? 1) 3g^-2b^2 A)3b^2/g^2...
- Calculus - Could you please help me with this question. Determine an expression...

More Related Questions