Question

      Identify the like terms. 9x, 10y, –9y,  10

  A. 9x and 10   B. 10y and 10   C. 10y and –9y   D. 9x and -9y

The term 25ab and which other term are like terms?   A. 25   B. 24a   C. 5ba   D. 10b

Combine like terms.15w – 28w   A. –43w   B. –13w   C. –13   D.  

Combine like terms. 9 + 18s – 7s   A. 20s   B. 9 + 11s   C. 9 – 11s   D. 20

Combine like terms.       5/6X take away -2/3X= Answers: A. 1/6X B. 1/3X C. 1/2X D. X  

                                                                                                                                                              

Answer 1

These are my answers
1.C
2.C
3.B
4.B
5.A

Answer 2

1) Option C

2) Option C

3) Option B

4) Option B

5) Option A

Explanation:

1) Identify the like terms ?

Terms are 9x, 10y, –9y, 10.

Like terms are those having same variable.

i.e. 10 y and -9y are like terms.

So, Option C is correct.

2) The term 25ab and which other term are like terms?

Option terms are 25,24a,5ba,10b

Like terms are those having same variable form.

i.e. 25ab and 5ba are like terms.

So, Option C is correct.

3) Combine like terms.

Expression
`15w-28w`

combine like terms means adding and subtracting like terms with same variable.

i.e.
`15w-28w=-13w`

So, Option B is correct.

4) Combine like terms.

Expression
`9+18s- 7s`

combine like terms means adding and subtracting like terms with same variable.

i.e.
`9+18s- 7s=9+11s`

So, Option B is correct.

5) Combine like terms.

Expression
`(5)/(6)x-(2)/(3)x`

combine like terms means adding and subtracting like terms with same variable.

i.e.
`(5)/(6)x-(2)/(3)x=(1)/(6)x`

So, Option A is correct.