Question

Practice Ex
1. Draw the graph of each of the following linear
equations in two variables :
(i) x + y = 4
(ii) x - y = 2
(iii) y = 3x
(iv) 3 = 2x + y


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Answer 1

answer:

∴ The coordinates are

(3,1),(2,2),(1,3)

Step-by-step explanation:

x+y=4

x=4−y

If y=1

x=4−1

x=3

If y=2

x=4−2

x=2

If y=3

x=4−3

=1

∴ The coordinates are

(3,1),(2,2),(1,3)

(ii) Given: x – y = 2 So, y = x – 2 Putting x = 0 ⇒ y = – 2 Putting x = 2 ⇒ y = 0 Graph: Mark points (0, -2) and (2, 0) on the graph and join them.

Answer 2

Answer:

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