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## Algebraic Expressions Class 7 MCQs Questions with Answers

Choose the correct option.

Question 1.

The coefficient of x² in – 5x²y is

(a) -5

(b) y

(c) 5y

(d) -5y

## Answer

Answer: (d) -5y

Question 2.

The expression 4a²b – 5ab² + 1 is a

(a) monomial

(b) binomial

(c) trinomial

(d) None of these

## Answer

Answer: (c) trinomial

Question 3.

What is the coefficient of x in the expression 5x³ + 7x² – 5?

(a) 5

(b) 7

(c) -5

(d) 0

## Answer

Answer: (d) 0

Question 4.

Which of the following pairs of terms is of unlike terms

(a) -p²q², 12p²q²

(b) – 4x²; – Axy²

(c) 41, 100

(d) qp², 13p²q

## Answer

Answer: (b) – 4x²; – Axy²

Question 5.

How many terms are there in the expression 5x + 3y + 8?

(a) 1

(b) 2

(c) 3

(d) 4

## Answer

Answer: (c) 3

Question 6.

Subtracting 5x + 3y from 5x – y + 8 given

(a) 4x – 8

(b) 4y – 8

(c) 8 – 4y

(d) 4x + 8

## Answer

Answer: (c) 8 – 4y

Question 7.

The value of 3x² + 2x – 7 at x = -2 is

(a) 1

(b) -1

(c) 9

(d) 23

## Answer

Answer: (a) 1

Question 8.

Subtracting -3x² – 1 from 2x + 1, we get

(a) – 3x² + 2x – 2

(b) – 3x² + 2

(c) 3x² + 2x + 2

(d) 3x² – 2

## Answer

Answer: (c) 3x² + 2x + 2

Question 9.

The value of the expression

100 – 10x³ + 5x² at x = 0 is

(a) 10

(b) 100

(c) -10

(d) – 100

## Answer

Answer: (b) 100

Question 10.

Simplify: – z² + 22z² – 5z – 11z² + 5z

(a) z²

(b) -z²

(c) 5z

(d) -5z

## Answer

Answer: (b) -z²

Question 11.

The coefficient of x² in -2x²y is:

(a) -2

(b) y

(c) 2y

(d) -2y

## Answer

Answer: (d) -2y

Question 12.

The expression 4p²q – 4pq² + 1 is a

(a) monomial

(b) binomial

(c) trinomial

(d) none of these

## Answer

Answer: (c) trinomial

Fill in the blanks

Question 1.

The degree of the polynomial 5x³ – 3x² + 6x^{4} + 7 ……………….

## Answer

Answer: 4

Question 2.

An algebraic expression having only two terms is called a ……………..

## Answer

Answer: binomial

Question 3.

The value of x + 6 when x = -5 is ………………

## Answer

Answer: 1

Question 4.

Constants have ……………….. value.

## Answer

Answer: fixed

Question 5.

The terms having same literal factors are called ………………

## Answer

Answer: like terms

Question 6.

The degree of -1x² is ………………… [-2/2]

## Answer

Answer: 2

Question 7.

The degree of 1 is ………………… [1/0]

## Answer

Answer: 0

Question 8.

The degree of the expression 5x – 1 is …………………

## Answer

Answer: 1

Question 9.

The degree of the expression 1 – 3x² is …………………

## Answer

Answer: 2

Question 10.

The degree of the expression 2x² – xy² + x is ………………… [3/6]

## Answer

Answer: 3

Question 11.

The degree of the expression 5 – x + x²y² – 3x³ is ………………… [3/4]

## Answer

Answer: 4

Question 12.

The numerical coefficient of \(\frac {-3}{2}\) x is ……………….

## Answer

Answer: \(\frac {-3}{2}\)

Question 13.

The degree of 8 is …………………

## Answer

Answer: 0

Question 14.

In the algebraic expression (3a + 4b – c – 4a + 3ab), the like terms are 3a and ………………..

## Answer

Answer: -4a

Question 15.

In the algebraic expression (3a²b + 3ac² + 5ab² – 7a²b² + 5c²a – 20b²a), the like terms are 3ac², 5c²a; 5ab² and ………………….

## Answer

Answer: -20b²a

Question 16.

(2x – 7) is a ………………… [binomial/monomial]

## Answer

Answer: binomial

Question 17.

5x is a ……………….. [binomial/monomial]

## Answer

Answer: monomial

Question 18.

A term of an expression having no literal factor is called a …………………… term.

## Answer

Answer: constant

Question 19.

An algebraic expression having only one term is called a ………………….

## Answer

Answer: monomial

Question 20.

When -3x² is subtracted from 0, we get ……………….

## Answer

Answer: 3x²

Question 21.

We get ……………….. when (x – 2x²) is subtracted from 1.

## Answer

Answer: 1 – x + 2x²

Question 22.

The Value of [latex]\frac {x+y}{5}[/latex] at x = 1 and y = 4, is …………………

## Answer

Answer: 1

Question 23.

The value of 4(a + b + c) at a = -1, b = 2 and c = 1, is ……………….

## Answer

Answer: 8

Match the following

Column A | Column B |

(i) The coefficient of x in 5x³ – 2y² – 5x + 7 is | (a) -33 |

(ii) The degree of the polynomial – 7a² + 5a³ – 3a + 5 is | (b) 10 – 3xy |

(iii) The value of the expression 5x³ – 2x + 3 when x = – 2 is | (c) -3xy |

(iv) The sum of – 5xy; 3xy and -xy is | (d) -5 |

(v) From 5xy – 3 subtract 7 + 2xy is | (e) 3 |

## Answer

Answer:

Column A | Column B |

(i) The coefficient of x in 5x³ – 2y² – 5x + 7 is | (d) -5 |

(ii) The degree of the polynomial – 7a² + 5a³ – 3a + 5 is | (e) 3 |

(iii) The value of the expression 5x³ – 2x + 3 when x = – 2 is | (a) -33 |

(iv) The sum of – 5xy; 3xy and -xy is | (c) -3xy |

(v) From 5xy – 3 subtract 7 + 2xy is | (b) 10 – 3xy |

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