Find the best solution of ncert class 9th chapter linear equations in two variables . Sir please help me to solve the important question of exercise 4.2 question number 2(3). How i solve this question in a easiest and simplest way. Write four solutions for each of the following equations:(iii) x = 4y.
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Solution:
To find the four solutions of x = 4y we substitute different values for x and y
Let x = 0
Then,
x = 4y
0 = 4y
4y= 0
y = 0/4
y = 0
(0,0)
Let x = 1
Then,
x = 4y
1 = 4y
4y = 1
y = 1/4
(1,1/4)
Let y = 4
Then,
x = 4y
x= 4×4
x = 16
(16,4)
Let y =
Then,
x = 4y
x = 4×1
x = 4
(4,1)
The solutions are (0,0), (1,1/4), (16,4), (4,1)