English

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

Advertisements

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

R.S. Aggarwal solutions for Mathematics [English] Class 6 chapter 8 - Algebraic Expressions - Shaalaa.com
Advertisements

Solutions for Chapter 8: Algebraic Expressions

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


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

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

1.01Page 130

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

1.02Page 130

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

1.03Page 130

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

1.04Page 130

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

1.05Page 130

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

1.06Page 130

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

1.07Page 130

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

1.08Page 130

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

1.09Page 130

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

1.1Page 130

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

1.11Page 130

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

1.12Page 130

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

1.13Page 130

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

1.14Page 130

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

1.15Page 130

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

2Page 130

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

3.1Page 130

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

3.2Page 130

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

3.3Page 130

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

3.4Page 130

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

3.5Page 130

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

4.1Page 130

Write down the following in the product form: x2y4

4.2Page 130

Write down the following in the product form: 6y5

4.3Page 130

Write down the following in the product form: 9xy2z

4.4Page 130

Write down the following in the product form: 10a3b3c3

Exercise 8B [Pages 132 - 133]

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

1.1Page 132

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

1.2Page 132

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

1.3Page 132

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

1.4Page 132

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

1.5Page 132

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

1.6Page 132

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

2.1Page 132

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

2.2Page 132

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

2.3Page 132

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

2.4Page 132

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

2.5Page 132

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

2.6Page 132

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

3.1Page 132

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

3.2Page 132

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

3.3Page 132

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

3.4Page 132

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

3.5Page 132

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

3.6Page 132

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

4.1Page 132

Write the coefficient of x in 13x

4.2Page 132

Write the coefficient of y in −5y

4.3Page 132

Write the coefficient of a in 6ab

4.4Page 132

Write the coefficient of z in −7xz

4.5Page 132

Write the coefficient of p in −2pqr

4.6Page 132

Write the coefficient of y2 in 8xy2z

4.7Page 132

Write the coefficient of x3 in x3

4.8Page 132

Write the coefficient of x2 in −x2

5.1Page 132

Write the numerical coefficient of ab

5.2Page 132

Write the numerical coefficient of −6bc

5.3Page 132

Write the numerical coefficient of 7xyz

5.4Page 132

Write the numerical coefficient of −2x3y2z

6.1Page 132

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

6.2Page 132

Write the constant term of 2x2 − 9

6.3Page 132

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

6.4Page 132

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

7.1Page 132

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

  • monomials

  • binomials

  • trinomials

7.2Page 132

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

  • monomials

  • binomials

  • trinomials

7.3Page 132

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

  • monomials

  • binomials

  • trinomials

7.4Page 132

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

  • monomials

  • binomials

  • trinomials

7.5Page 132

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

  • monomials

  • binomials

  • trinomials

7.6Page 132

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

  • monomials

  • binomials

  • trinomials

7.7Page 132

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

  • monomials

  • binomials

  • trinomials

  • None of the above

7.8Page 132

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

  • monomials

  • binomials

  • trinomials

7.9Page 132

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

  • monomials

  • binomials

  • trinomials

8.1Page 133

Write all the terms of the algebraic expressions:

4x5 − 6y4 + 7x2y − 9

8.2Page 133

Write all the terms of the algebraic expressions:

9x3 − 5z4 + 7z3 y − xyz

9.1Page 133

Identify the like terms in the following:

a2 , b2, −2a2, c2, 4a

9.2Page 133

Identify the like terms in the following:

3x, 4xy, −yz, `1/2`zy

9.3Page 133

Identify the like terms in the following:

−2xy2, x2y, 5y2x, x2z

9.4Page 133

Identify the like terms in the following:

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

Exercise 8C [Pages 134 - 135]

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

1.1Page 134

Add 3x, 7x

1.2Page 134

Add 7y, −9y

1.3Page 134

Add 2xy, 5xy, −xy

1.4Page 134

Add 3x, 2y

1.5Page 134

Add 2x2, − 3x2, 7x2

1.6Page 134

Add 7xyz, − 5xyz, 9xyz, −8xyz

1.7Page 134

Add 6a3, − 4a3, 10a3, −8a3

1.8Page 134

Add x2 − a2, −5x2 + 2a2, −4x2 + 4a2

2.1Page 134

Add the following:

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

_______________

2.2Page 134

Add the following:

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

_______________      

2.3Page 134

Add the following:

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

_______________         

2.4Page 134

Add the following:

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

_______________         

3.1Page 134

Add

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

3.2Page 134

Add

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

3.3Page 134

Add

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

3.4Page 134

Add

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

3.5Page 134

Add

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

3.6Page 134

Add

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

4.1Page 135

Subtract:

5x from 2x

4.2Page 135

Subtract:

−xy from 6xy

4.3Page 135

Subtract:

3a from 5b

4.4Page 135

Subtract:

−7x from 9y

4.5Page 135

Subtract:

10x2 from −7x2

4.6Page 135

Subtract:

 a2 − b2 from b2 − a2

5.1Page 135

Subtract:

5a + 7b − 2c from 3a − 7b + 4c

5.2Page 135

Subtract:

a − 2b − 3c from −2a + 5b − 4c

5.3Page 135

Subtract:

5x2 − 3xy + y2 from 7x2 − 2xy − 4y2

5.4Page 135

Subtract:

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

5.5Page 135

Subtract:

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

5.6Page 135

Subtract:

−11x2y2 + 7xy −6 from 9x2y2 −6xy + 9

5.7Page 135

Subtract:

−2a + b + 6d from 5a − 2b − 3c

6.1Page 135

Simplify:

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

6.2Page 135

Simplify:

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

6.3Page 135

Simplify:

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

7Page 135

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

8Page 135

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

9Page 135

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

10Page 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.

11Page 135

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

12Page 135

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

13Page 135

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

14Page 135

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

15Page 135

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

16Page 135

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

17Page 135

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

Exercise 8D [Pages 136 - 137]

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

1Page 136

Simplify:
a − (b − 2a)

2Page 136

Simplify:

4x − (3y − x + 2z)

3Page 136

Simplify:

(a2 + b2 + 2ab) − (a2 + b2 −2ab)

4Page 136

Simplify:

−3(a + b) + 4(2a − 3b) − (2a − b) 

5Page 136

Simplify:

−4x2 + {(2x2 − 3) − (4 − 3x2)}

6Page 136

Simplify:

−2(x2 − y2 + xy) −3(x2 + y2 − xy)

7Page 136

Simplify:

a − [2b − {3a − (2b − 3c)}]

8Page 136

Simplify:

−x + [5y − {x − (5y − 2x)}]

9Page 137

Simplify:

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

10Page 137

Simplify:

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

11Page 137

Simplify:

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

12Page 137

Simplify:

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

13Page 137

Simplify:

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

14Page 137

Simplify:

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

15Page 137

Simplify:

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

16Page 137

Simplify:

\[2a - [4b - {4a - (3b - 2a + 2b)}]\]
17Page 137

Simplify:

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

Solutions for 8: Algebraic Expressions

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

R.S. 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. R.S. 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. R.S. 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 .

Using R.S. 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 R.S. Aggarwal Solutions are essential questions that can be asked in the final exam. Maximum CBSE Mathematics [English] Class 6 students prefer R.S. 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.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×