Sir please help me to solve the ncert class 9th solution of chapter linear equations in two variables .How I solve this question of exercise 4.3 question number 1(2). Find the simplest and easiest solution of this question.Draw the graph of each of the following linear equations in two variables:(ii) x–y = 2.
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Draw the graph of each of the following linear equations in two variables:(ii) x–y = 2. Q.1(2)
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Solution:
To draw a graph of linear equations in two variables, let us find out the points to plot.
To find out the points, we have to find the values which x and y can have, satisfying the equation.
Here,
x–y = 2
Substituting the values for x,
When x = 0,
x–y = 2
0 – y = 2
y = – 2
When x = 2,
x–y = 2
2–y = 2
– y = 2–2
–y = 0
y = 0
The points to be plotted are (0, – 2) and (2, 0)