# Algebraic Expressions and Identities

This is an MCQ-based on Algebraic Expressions and Identities.

This includes monomial, binomial, calculating area and volume of different shapes using algebraic expressions.

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How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y ?

1 3 4 5

The coefficient in the term -5x is

5 -5 1 2

Which of the following is like term as 7xy?

9 9x 9y 9xy

The expression 7xy has the factors

7,x,y x,y 7,x 7,y

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

17x 22x 19x 29x.

The sum of x² – y², y² – z² and z² – x² is

0 3x² 3y² 3z².

The result of subtraction of 7x from 0 is

0 7x -7x x.

Which of the following is a binomial ?

3xy 4l + 5m 2x + 3y – 5 4a – 7ab + 3b + 12.

The value of x² + y² when x = 1, y = 2 is

1 2 4 5

The value of x² – 2yx + y² when x = 1, y = 2 is

1 -1 2 -2.

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

3 2 4 5.

The algebraic expression 3x+2y+6 is a:

Monomial Binomial Trinomial None of the above

If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:

5xy + 9yz +3zx + 5x – 4y 5xy – 9yz +3zx – 5x – 4y 5xy + 10yz +3zx + 15x – 4y 5xy + 10yz +3zx + 5x – 6y

If we subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b – 3, then the answer is:

8a+2ab+2b+15 8a+2ab+2b-15 8a-2ab+2b-15 8a-2ab-2b-15

The side of a cube is 2a. Find the volume of the cube.

4a² 2a 8a³ 8

The product of 5x and 3y is:

xy 2xy 5xy 15xy

The expression x + y + z is in

One variable

No variable

Three variables

Two variables.

The expression 4xy + 7 is in

One variable

Two variables

No variable

None of these.

The coefficient of x² in 7pqrx² is

7pqr

pqr

-7pqr

7

Quiz/Test Summary
Title: Algebraic Expressions and Identities
Questions: 19
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