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RS Aggarwal solutions for Mathematics [English] Class 6 chapter 8 - Algebraic Expressions [Latest edition]

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Chapters

    1: Number System

    2: Factors and Multiples

    3: Whole Numbers

    4: Integers

   Chapter 5: Fractions

    6: Simplification

    7: Decimals

▶ 8: Algebraic Expressions

    9: Linear Equation in One Variable

    10: Ratio, Proportion and Unitary Method

   Chapter 11: Line Segment, Ray and Line

   Chapter 12: Parallel Lines

   Chapter 13: Angles and Their Measurement

   Chapter 14: Constructions (Using Ruler and a Pair of Compasses)

   Chapter 15: Polygons

   Chapter 16: Triangles

   Chapter 17: Quadrilaterals

   Chapter 18: Circles

   Chapter 19: Three-Dimensional Shapes

   Chapter 20: Two-Dimensional Reflection Symmetry (Linear Symmetry)

   Chapter 21: Concept of Perimeter and Area

   Chapter 22: Data Handling

   Chapter 23: Pictograph

   Chapter 24: Bar Graph

RS Aggarwal solutions for Mathematics [English] Class 6 chapter 8 - Algebraic Expressions - Shaalaa.com
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Solutions for Chapter 8: Algebraic Expressions

Below listed, you can find solutions for Chapter 8 of CBSE RS Aggarwal for Mathematics [English] Class 6.


Exercise 8AExercise 8BExercise 8CExercise 8D
Exercise 8A [Page 130]

RS Aggarwal solutions for Mathematics [English] Class 6 8 Algebraic Expressions Exercise 8A [Page 130]

Exercise 8A | Q 1.01 | Page 130

Write the following using literals, numbers, and signs of basic operations:
x increased by 12

Exercise 8A | Q 1.02 | Page 130

Write the following using literals, numbers, and signs of basic operations:
y decreased by 7

Exercise 8A | Q 1.03 | Page 130

Write the following using literals, numbers, and signs of basic operations:
The difference of a and b, when a > b

Exercise 8A | Q 1.04 | Page 130

Write the following using literals, numbers, and signs of basic operations:
The product of x and y added to their sum

Exercise 8A | Q 1.05 | Page 130

Write the following using literals, numbers, and signs of basic operations:
One-third of x multiplied by the sum of a and b

Exercise 8A | Q 1.06 | Page 130

Write the following using literals, numbers, and signs of basic operations:
5 times x added to 7 times y

Exercise 8A | Q 1.07 | Page 130

Write the following using literals, numbers, and signs of basic operations:
Sum of x and the quotient of y by 5

Exercise 8A | Q 1.08 | Page 130

Write the following using literals, numbers, and signs of basic operations:
x taken away from 4

Exercise 8A | Q 1.09 | Page 130

Write the following using literals, numbers, and signs of basic operations:
2 less than the quotient of x by y

Exercise 8A | Q 1.1 | Page 130

Write the following using literals, numbers, and signs of basic operations:
x multiplied by itself

Exercise 8A | Q 1.11 | Page 130

Write the following using literals, numbers, and signs of basic operations:
Twice x increased by y

Exercise 8A | Q 1.12 | Page 130

Write the following using literals, numbers, and signs of basic operations:
Thrice x added to y squared

Exercise 8A | Q 1.13 | Page 130

Write the following using literals, numbers, and signs of basic operations:
x minus twice y

Exercise 8A | Q 1.14 | Page 130

Write the following using literals, numbers, and signs of basic operations:
x cubed less than y cubed

Exercise 8A | Q 1.15 | Page 130

Write the following using literals, numbers, and signs of basic operations:
The quotient of x by 8 is multiplied by y

Exercise 8A | Q 2 | Page 130

Ranjit scores 80 marks in English and x marks in Hindi. What is his total score in the two subjects?

Exercise 8A | Q 3.1 | Page 130

Write the following in the exponential form:
b × b × b × ... 15 times

Exercise 8A | Q 3.2 | Page 130

Write the following in the exponential form:
y × y × y × ... 20 times

Exercise 8A | Q 3.3 | Page 130

Write the following in the exponential form:
14 × a × a × a × a × b × b × b

Exercise 8A | Q 3.4 | Page 130

Write the following in the exponential form:
6 × x × x × y × y

Exercise 8A | Q 3.5 | Page 130

Write the following in the exponential form:
3 × z × z × z × y × y × x

Exercise 8A | Q 4.1 | Page 130

Write down the following in the product form: x2y4

Exercise 8A | Q 4.2 | Page 130

Write down the following in the product form: 6y5

Exercise 8A | Q 4.3 | Page 130

Write down the following in the product form: 9xy2z

Exercise 8A | Q 4.4 | Page 130

Write down the following in the product form: 10a3b3c3

Exercise 8B [Pages 132 - 133]

RS Aggarwal solutions for Mathematics [English] Class 6 8 Algebraic Expressions Exercise 8B [Pages 132 - 133]

Exercise 8B | Q 1.1 | Page 132

If a = 2 and b = 3, find the value of a + b

Exercise 8B | Q 1.2 | Page 132

If a = 2 and b = 3, find the value of a2 + ab

Exercise 8B | Q 1.3 | Page 132

If a = 2 and b = 3, find the value of ab − a2

Exercise 8B | Q 1.4 | Page 132

If a = 2 and b = 3, find the value of 2a − 3b

Exercise 8B | Q 1.5 | Page 132

If a = 2 and b = 3, find the value of 5a2 − 2ab

Exercise 8B | Q 1.6 | Page 132

If a = 2 and b = 3, find the value of a3 − b3

Exercise 8B | Q 2.1 | Page 132

If x = 1, y = 2 and z = 5, find the value of 3x − 2y + 4z

Exercise 8B | Q 2.2 | Page 132

If x = 1, y = 2 and z = 5, find the value of x2 + y2+ z2

Exercise 8B | Q 2.3 | Page 132

If x = 1, y = 2 and z = 5, find the value of 2x2 − 3y2 + z2

Exercise 8B | Q 2.4 | Page 132

If x = 1, y = 2 and z = 5, find the value of xy + yz − zx

Exercise 8B | Q 2.5 | Page 132

If x = 1, y = 2 and z = 5, find the value of 2x2 y − 5yz + xy2

Exercise 8B | Q 2.6 | Page 132

If x = 1, y = 2 and z = 5, find the value of x3 − y3− z3

Exercise 8B | Q 3.1 | Page 132

If p = −2, q = −1 and r = 3, find the value of p2 + q2 − r2

Exercise 8B | Q 3.2 | Page 132

If p = −2, q = −1 and r = 3, find the value of 2p2 − q2 + 3r2

Exercise 8B | Q 3.3 | Page 132

If p = −2, q = −1 and r = 3, find the value of p − q − r

Exercise 8B | Q 3.4 | Page 132

If p = −2, q = −1 and r = 3, find the value of p3 + q3 + r3 + 3pqr

Exercise 8B | Q 3.5 | Page 132

If p = −2, q = −1 and r = 3, find the value of 3p2q + 5pq2 + 2pqr

Exercise 8B | Q 3.6 | Page 132

If p = −2, q = −1 and r = 3, find the value of p4 + q4 − r4

Exercise 8B | Q 4.1 | Page 132

Write the coefficient of x in 13x

Exercise 8B | Q 4.2 | Page 132

Write the coefficient of y in −5y

Exercise 8B | Q 4.3 | Page 132

Write the coefficient of a in 6ab

Exercise 8B | Q 4.4 | Page 132

Write the coefficient of z in −7xz

Exercise 8B | Q 4.5 | Page 132

Write the coefficient of p in −2pqr

Exercise 8B | Q 4.6 | Page 132

Write the coefficient of y2 in 8xy2z

Exercise 8B | Q 4.7 | Page 132

Write the coefficient of x3 in x3

Exercise 8B | Q 4.8 | Page 132

Write the coefficient of x2 in −x2

Exercise 8B | Q 5.1 | Page 132

Write the numerical coefficient of ab

Exercise 8B | Q 5.2 | Page 132

Write the numerical coefficient of −6bc

Exercise 8B | Q 5.3 | Page 132

Write the numerical coefficient of 7xyz

Exercise 8B | Q 5.4 | Page 132

Write the numerical coefficient of −2x3y2z

Exercise 8B | Q 6.1 | Page 132

Write the constant term of 3x2 + 5x + 8

Exercise 8B | Q 6.2 | Page 132

Write the constant term of 2x2 − 9

Exercise 8B | Q 6.3 | Page 132

Write the constant term of \[4 y^2 - 5y + \frac{3}{5}\]

Exercise 8B | Q 6.4 | Page 132

Write the constant term of \[z^3 - 2 z^2 + z - \frac{8}{3}\]

Exercise 8B | Q 7.1 | Page 132

Identify the monomials, binomials, and trinomials in the following:
−2xyz

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.2 | Page 132

Identify the monomials, binomials, and trinomials in the following:
5 + 7x3y3z3

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.3 | Page 132

Identify the monomials, binomials, and trinomials in the following:
−5x3

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.4 | Page 132

Identify the monomials, binomials, and trinomials in the following:
a + b − 2c

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.5 | Page 132

Identify the monomials, binomials, and trinomials in the following:
xy + yz − zx

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.6 | Page 132

Identify the monomials, binomials, and trinomials in the following:
x5

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.7 | Page 132

Identify the monomials, binomials, and trinomials in the following:
ax3 + bx2 + cx + d

  • monomials

  • binomials

  • trinomials

  • None of the above

Exercise 8B | Q 7.8 | Page 132

Identify the monomials, binomials, and trinomials in the following:
−14

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 7.9 | Page 132

Identify the monomials, binomials, and trinomials in the following:
2x + 1

  • monomials

  • binomials

  • trinomials

Exercise 8B | Q 8.1 | Page 133

Write all the terms of the algebraic expressions:

4x5 − 6y4 + 7x2y − 9

Exercise 8B | Q 8.2 | Page 133

Write all the terms of the algebraic expressions:

9x3 − 5z4 + 7z3 y − xyz

Exercise 8B | Q 9.1 | Page 133

Identify the like terms in the following:

a2 , b2, −2a2, c2, 4a

Exercise 8B | Q 9.2 | Page 133

Identify the like terms in the following:

3x, 4xy, −yz, `1/2`zy

Exercise 8B | Q 9.3 | Page 133

Identify the like terms in the following:

−2xy2, x2y, 5y2x, x2z

Exercise 8B | Q 9.4 | Page 133

Identify the like terms in the following:

abc, ab2c, acb2, c2ab, b2ac, a2bc, cab2

Exercise 8C [Pages 134 - 135]

RS Aggarwal solutions for Mathematics [English] Class 6 8 Algebraic Expressions Exercise 8C [Pages 134 - 135]

Exercise 8C | Q 1.1 | Page 134

Add 3x, 7x

Exercise 8C | Q 1.2 | Page 134

Add 7y, −9y

Exercise 8C | Q 1.3 | Page 134

Add 2xy, 5xy, −xy

Exercise 8C | Q 1.4 | Page 134

Add 3x, 2y

Exercise 8C | Q 1.5 | Page 134

Add 2x2, − 3x2, 7x2

Exercise 8C | Q 1.6 | Page 134

Add 7xyz, − 5xyz, 9xyz, −8xyz

Exercise 8C | Q 1.7 | Page 134

Add 6a3, − 4a3, 10a3, −8a3

Exercise 8C | Q 1.8 | Page 134

Add x2 − a2, −5x2 + 2a2, −4x2 + 4a2

Exercise 8C | Q 2.1 | Page 134

Add the following:

\[x - 3y - 2z\]
\[ 5x + 7y - z\]
 - 7x - 2y + 4z

_______________

Exercise 8C | Q 2.2 | Page 134

Add the following:

\[m^2 - 4m + 5\]
\[ - 2 m^2 + 6m - 6\]
- m^2 - 2m - 7     

_______________      

Exercise 8C | Q 2.3 | Page 134

Add the following:

\[2 x^2 - 3xy + y^2 \]
\[ - 7 x^2 - 5xy - 2 y^2 \]
4 x2 + xy - 6 y2        

_______________         

Exercise 8C | Q 2.4 | Page 134

Add the following:

\[4xy - 5yz - 7zx\]
\[ - 5xy + 2yz + zx\]
 - 2xy - 3yz + 3zx    

_______________         

Exercise 8C | Q 3.1 | Page 134

Add

3a − 2b + 5c, 2a + 5b − 7c, − a − b + c

Exercise 8C | Q 3.2 | Page 134

Add

8a − 6ab + 5b, −6a − ab − 8b, −4a + 2ab + 3b

Exercise 8C | Q 3.3 | Page 134

Add

2x3 − 3x2 + 7x − 8, −5x3 + 2x2 − 4x + 1, 3 − 6x + 5x2 − x3

Exercise 8C | Q 3.4 | Page 134

Add

2x2 − 8xy + 7y2 − 8xy2, 2xy2 + 6xy − y2 + 3x2, 4y2 − xy − x2 + xy2

Exercise 8C | Q 3.5 | Page 134

Add

x3 + y3 − z3 + 3xyz, − x3 + y3 + z3 − 6xyz, x3 − y3 − z3 − 8xyz

Exercise 8C | Q 3.6 | Page 134

Add

2 + x − x2 + 6x3, −6 −2x + 4x2 −3x3, 2 + x2, 3 − x3 + 4x − 2x2

Exercise 8C | Q 4.1 | Page 135

Subtract:

5x from 2x

Exercise 8C | Q 4.2 | Page 135

Subtract:

−xy from 6xy

Exercise 8C | Q 4.3 | Page 135

Subtract:

3a from 5b

Exercise 8C | Q 4.4 | Page 135

Subtract:

−7x from 9y

Exercise 8C | Q 4.5 | Page 135

Subtract:

10x2 from −7x2

Exercise 8C | Q 4.6 | Page 135

Subtract:

 a2 − b2 from b2 − a2

Exercise 8C | Q 5.1 | Page 135

Subtract:

5a + 7b − 2c from 3a − 7b + 4c

Exercise 8C | Q 5.2 | Page 135

Subtract:

a − 2b − 3c from −2a + 5b − 4c

Exercise 8C | Q 5.3 | Page 135

Subtract:

5x2 − 3xy + y2 from 7x2 − 2xy − 4y2

Exercise 8C | Q 5.4 | Page 135

Subtract:

6x3 − 7x2 + 5x − 3 from 4 − 5x + 6x2 − 8x3

Exercise 8C | Q 5.5 | Page 135

Subtract:

x3 + 2x2y + 6xy2 − y3 from y3 − 3xy2 − 4x2y

Exercise 8C | Q 5.6 | Page 135

Subtract:

−11x2y2 + 7xy −6 from 9x2y2 −6xy + 9

Exercise 8C | Q 5.7 | Page 135

Subtract:

−2a + b + 6d from 5a − 2b − 3c

Exercise 8C | Q 6.1 | Page 135

Simplify:

2p3 − 3p2 + 4p − 5 − 6p3 + 2p2 − 8p − 2 + 6p + 8

Exercise 8C | Q 6.2 | Page 135

Simplify:

2x2 − xy + 6x − 4y + 5xy − 4x + 6x2 + 3y

Exercise 8C | Q 6.3 | Page 135

Simplify:

x4 − 6x3 + 2x − 7 + 7x3 − x + 5x2 + 2 − x4

Exercise 8C | Q 7 | Page 135

From the sum of 3x2 − 5x + 2 and −5x2 − 8x + 6, subtract 4x2 − 9x + 7.

Exercise 8C | Q 8 | Page 135

If A = 7x2 + 5xy − 9y2, B = −4x2 + xy + 5y2 and C = 4y2 − 3x2 − 6xy then show that A + B + C = 0.

Exercise 8C | Q 9 | Page 135

What must be added to 5x3 − 2x2 + 6x + 7 to make the sum x3 + 3x2 − x + 1?

Exercise 8C | Q 10 | Page 135

Let  
P = a2 − b2 + 2ab,  
Q = a2 + 4b2 − 6ab,
R = b2 + 6,  S = a2 − 4ab and  
T = −2a2 + b2 − ab + a.
Find P + Q + R + S − T.

Exercise 8C | Q 11 | Page 135

What must be subtracted from a3 − 4a2 + 5a − 6 to obtain a2 − 2a + 1?

Exercise 8C | Q 12 | Page 135

How much is a + 2a − 3c greater than 2a − 3b + c?

Exercise 8C | Q 13 | Page 135

How much less than x − 2y + 3z is 2x − 4y − z?

Exercise 8C | Q 14 | Page 135

By how much does 3x2 − 5x + 6 exceed x3 − x2 + 4x − 1?

Exercise 8C | Q 15 | Page 135

Subtract the sum of 5x − 4y + 6z and −8x + y − 2z from the sum of 12x − y + 3z and −3x + 5y − 8z.

Exercise 8C | Q 16 | Page 135

By how much is 2x − 3y + 4z greater than 2x + 5y − 6z + 2?

Exercise 8C | Q 17 | Page 135

By how much does 1 exceed 2x − 3y − 4?

Exercise 8D [Pages 136 - 137]

RS Aggarwal solutions for Mathematics [English] Class 6 8 Algebraic Expressions Exercise 8D [Pages 136 - 137]

Exercise 8D | Q 1 | Page 136

Simplify:
a − (b − 2a)

Exercise 8D | Q 2 | Page 136

Simplify:

4x − (3y − x + 2z)

Exercise 8D | Q 3 | Page 136

Simplify:

(a2 + b2 + 2ab) − (a2 + b2 −2ab)

Exercise 8D | Q 4 | Page 136

Simplify:

−3(a + b) + 4(2a − 3b) − (2a − b) 

Exercise 8D | Q 5 | Page 136

Simplify:

−4x2 + {(2x2 − 3) − (4 − 3x2)}

Exercise 8D | Q 6 | Page 136

Simplify:

−2(x2 − y2 + xy) −3(x2 + y2 − xy)

Exercise 8D | Q 7 | Page 136

Simplify:

a − [2b − {3a − (2b − 3c)}]

Exercise 8D | Q 8 | Page 136

Simplify:

−x + [5y − {x − (5y − 2x)}]

Exercise 8D | Q 9 | Page 137

Simplify:

86 − [15x − 7(6x − 9) −2{10x − 5(2 − 3x)}]

Exercise 8D | Q 10 | Page 137

Simplify:

12x − [3x3 + 5x2 − {7x2 − (4 − 3x − x3) + 6x3} − 3x]

Exercise 8D | Q 11 | Page 137

Simplify:

5a − [a2 − {2a(1 − a + 4a2) − 3a(a2 − 5a − 3)}] −8a

Exercise 8D | Q 12 | Page 137

Simplify:

3 − [x − {2y − (5x + y − 3) + 2x2} − (x2 − 3y)]

Exercise 8D | Q 13 | Page 137

Simplify:

xy − [yz − zx − {yx − (3y − xz) − (xy − zy)}]

Exercise 8D | Q 14 | Page 137

Simplify:

2a − 3b − [3a − 2b − {a − c − (a − 2b)}]

Exercise 8D | Q 15 | Page 137

Simplify:

−a − [a + {a + b − 2a − (a − 2b)} − b]

Exercise 8D | Q 16 | Page 137

Simplify:

\[2a - [4b - {4a - (3b - 2a + 2b)}]\]
Exercise 8D | Q 17 | Page 137

Simplify:

5x − [4y − {7x − (3z − 2y) + 4z − 3(x + 3y − 2z)}]

Solutions for 8: Algebraic Expressions

Exercise 8AExercise 8BExercise 8CExercise 8D
RS Aggarwal solutions for Mathematics [English] Class 6 chapter 8 - Algebraic Expressions - Shaalaa.com

RS Aggarwal solutions for Mathematics [English] Class 6 chapter 8 - Algebraic Expressions

Shaalaa.com has the CBSE Mathematics Mathematics [English] Class 6 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. RS Aggarwal solutions for Mathematics Mathematics [English] Class 6 CBSE 8 (Algebraic Expressions) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. RS Aggarwal textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Mathematics [English] Class 6 chapter 8 Algebraic Expressions are Introduction to Algebra, Use of Variables in Common Rules, Expressions with Variables, Concept of Equation, The Solution of an Equation, Variable of Equation.

Using RS Aggarwal Mathematics [English] Class 6 solutions Algebraic Expressions exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in RS Aggarwal Solutions are essential questions that can be asked in the final exam. Maximum CBSE Mathematics [English] Class 6 students prefer RS Aggarwal Textbook Solutions to score more in exams.

Get the free view of Chapter 8, Algebraic Expressions Mathematics [English] Class 6 additional questions for Mathematics Mathematics [English] Class 6 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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