CBSE Class 8 Maths Algebraic Expressions and Identities Quiz 3

1. The like terms of the following are

A

x, 3x

B

x, 2y

C

2y, 6xy

D

3x, 2y

2. The like terms of the following are

A

2x², 9x²

B

y², xy

C

xy, 9a²

D

y², 9x²

3. The like terms of the following are

A

ab, 9ba

B

ab, -5b

C

-5b, 9ba

D

ab, -3a

4. The number of like terms in 9x³, 16x²y, -8x³, 12xy², 6x³ is

A

3

B

2

C

4

D

5

5. The coefficient of x²y in 7pqrx² is

A

7pqr

B

pqr

C

-7pqr

D

7

6. The coefficient of xy in xy is

A

1

B

-1

C

2

D

3

7. The coefficient of x²y in -15 x²y is

A

15

B

-15

C

3

D

5

8. The coefficient of xy in 6x²y² is

A

xy

B

2xy

C

3xy

D

6xy

9. The coefficient of xy2z in -7x²y³z is

A

-7xy

B

7xy

C

-xy

D

xy

10. The sum of 7x, 10x and 12x is

A

17x

B

22x

C

19x

D

29x