Vidaara.orgClass 8 · Mathematics
CodeVID-M8-05-CT
Algebraic Expressions — Full Chapter Test
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- This is a full-length test covering the whole chapter — every topic is included.
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
An expression with one term is a:
- A.monomial
- B.binomial
- C.trinomial
- D.polynomial
2.
$3x+5x=$
- A.$8x$
- B.$15x$
- C.$8x^2$
- D.$2x$
3.
$(a+b)^2=$
- A.$a^2+b^2$
- B.$a^2+2ab+b^2$
- C.$a^2-2ab+b^2$
- D.$2ab$
4.
An expression with two terms is a:
- A.monomial
- B.binomial
- C.trinomial
- D.constant
5.
$7y-2y=$
- A.$5y$
- B.$9y$
- C.$5$
- D.$5y^2$
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Classify $5x^2$.
7.
Add $4a+3a$.
8.
Expand $(x+5)^2$.
9.
Classify $3x+2$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Identify the like terms among $2x,\ 3y,\ -5x,\ 4y$.
11.
Add $(3x+2y)$ and $(5x-y)$.
12.
Expand $(2x+3)^2$.
13.
Write the terms of $4x^2-3x+7$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
For $5x^2y-3xy^2+7xy-2$, list the terms, their coefficients, and classify the expression.
15.
Simplify $(2x^2+3x-1)+(x^2-5x+4)-(x^2-2x)$.
Answer Key
Section A — Multiple Choice Questions
- (A) monomial
- (A) $8x$
- (B) $a^2+2ab+b^2$
- (B) binomial
- (A) $5y$
Section B — Short Answer (2 marks)
- Monomial.
- $7a$.
- $x^2+10x+25$.
- Binomial.
Section C — Short Answer (3 marks)
- $(2x,-5x)$ and $(3y,4y)$.
- $8x+y$.
- $4x^2+12x+9$.
- $4x^2,\ -3x,\ 7$.
Section D — Long Answer (5 marks)
- Terms $5x^2y,\ -3xy^2,\ 7xy,\ -2$; coefficients $5,\ -3,\ 7,\ -2$; it has $4$ terms (a polynomial).
- $2x^2+3$.
Generated by Vidaara.org · Assignment VID-M8-05-CT · vidaara.org