NCERT Solution For Class 9, Maths, Chapter 4, Linear Equations In Two Variables, Exercise 4.1

NCERT Solution For Class 9, Maths, Chapter 4, Linear Equations In Two Variables, Exercise 4.1

NCERT Solution For Class 9, Maths, Chapter 4, Linear Equations In Two Variables, Exercise 4.1 has total two questions which are given below. All solutions are well explained by our great faculty.

Class 9, Maths, Chapter 4, Exercise 4.1, Solutions

Q.1. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be ₹ x and that of a pen to be ₹ y).

Ans:

Q.2. Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

(i) $2x+3y=9.3\overline{5}$

(ii) $x-\frac{y}{5}-10=0$

(iii)–2x + 3y = 6

(iv) x = 3y

(v) 2x = –5y

(vi) 3x + 2 = 0

(vii) y – 2 = 0

(viii) 5 = 2x

Ans:

NCERT Solutions For Class 9, Maths, Chapter 4, Linear Equations In Two Variables (All Exercises)