Andhra Pradesh Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Textbooks Solutions PDF
Andhra Pradesh State Board STD 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Textbooks. These Andhra Pradesh State Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.Andhra Pradesh State Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Books Solutions
Board | AP Board |
Materials | Textbook Solutions/Guide |
Format | DOC/PDF |
Class | 9th |
Subject | Maths |
Chapters | Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 |
Provider | Hsslive |
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AP Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Textbooks Solutions with Answer PDF Download
Find below the list of all AP Board Class 9th Maths Chapter 6 Linear Equation in Two Variables Ex 6.1 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:AP State Syllabus 9th Class Maths Solutions 6th Lesson Linear Equation in Two Variables Exercise 6.1
Question 1.
Express the following linear equations in the form of ax + by + c = 0 and indicate the values of a, b and c in each case.
i) 8x + 5y – 3 = 0
Solution:
8x + 5y – 3 = 0
⇒ 8x + 5y + (- 3) = 0
Here a = 8, b = 5 and c = – 3
ii) 28x – 35y = – 7
Solution:
28x – 35y = – 7
⇒ 28x + (- 35) y + 7 = 0
Here a = 28, b = – 35 and c = 7
iii) 93x = 12- 15y
Solution:
93x = 12 – 15y
⇒ 93x + 15y -12 = 0
⇒ 93x + 15y + (- 12) = 0
Here a = 93, b = 15 and c = – 12
iv) 2x = – 5y
Solution:
2x = – 5y
⇒ 2x + 5y = 0
Here a = 2, b = 5 and c = 0
v) 𝑥3+𝑦4=7
Solution:
𝑥3+𝑦4=7
⇒ 𝑥3+𝑦4−7=0
⇒4𝑥+3𝑦−8412=0
⇒ 4x + 3y – 84 = 0
Here a = 4, b = 3 and c = – 84
vi) y = −32𝑥
Solution:
y = −32𝑥
⇒ 2y = -3x
⇒ 3x + 2y = 0
Here a = 3, b = 2 and c = 0
vii) 3x + 5y = 12
Solution:
3x + 5y = 12
⇒ 3x + 5y + (- 12) = 0
Here a = 3, b = 5 and c = – 12
Question 2.
Write each of the following in the form of ax + by + c = 0 and find the values of a, b and c.
i) 2x = 5
Solution:
2x – 5 = 0
a = 2
b = 0
c = -5
ii) y – 2 = 0
Solution:
y – 2 = 0
a = 0
b = 1
c = – 2
iii) 𝑦7 = 3
Solution:
𝑦7 = 3
y = 21
y – 21 = 0
a = 0
b = 1
c = -21
iv) x = −1413
x = −143
⇒ 13x = – 14
⇒ 13x + 14 = 0
a = 13
b = 0
c = 14
Question 3.
Express the following statements as a linear equation in two variables,
i)The sum of two numbers is 34.
Solution:
x + y = 34; x, y are any two numbers ⇒ x + y – 34 = 0
ii) The cost of a ball pen is ?5 less than half the cost of a fountain pen.
Solution:
Let the cost of a fountain pen = x
Let the cost of ball pen = y
Then y = x – 5 or x – y – 5 = 0
iii) Bhargavi got 10 more marks than double of the marks of Sindhu. |l M)
Solution:
Let Sindhu’s marks = x
Bhargavi’s marks = y
Then by problem y = 2x + 10 or 2x – y + 10 = 0
iv) The cost of a pencil is ₹2 and one ball point pen costs ₹15. Sheela pays ₹100 for the pencils and pens she purchased.
Solution:
Giver: that cost of a pencil = ₹2
Cost of a ball point pen = ₹15
Let the number of pencils purchased = x
Let the number of pens purchased = y
Then the total cost of x – pencils = 2x
Then the total cost of y – pens = 15y
By problem 2x + 15y = 100
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