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SAI International School
CLASS - IX

Mathematics
CHAPTER-4Linear Equation in two Variables

WORKSHEET
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Which equation represent x axis

(a) y=0 (b) x=0 (c) x=y (d) x = – y
2 What is the standard form of x = –5 1

(a) 1x + 0y + 5 = 0 (b) –x + 0y + 5 = 0
(c) 1x + 0y – 5 = 0 (d) 1x+(–5) = 0

3 Which of the Following is the solution of the equation of 2y + x = 5 ? 1
(a) (1, 1) (b) (0, 1) (c) (–1, 1) (d) (–1, 3)

4 On which of the following equations, the point of the form (m, –m) 1
lies?
(a) x = –m (b) x + y = 0 (c) y = x (d) x=-2y
5 The graph of which of the following equations passes through the 1
origin?
(a) y = 2x + c (b) y = 2x (c) y = 2 (d)y=3
6 Equation of the line parallel to x-axis and 6 units above the origin is: 1
a) x = 6 b) x = –6 c)y = 6 d)y = –6

7 1
Find the value of k, if x= 2,y=1 is a solution of the equation 2x+3y=k

8 If x   2,y  is solution of equation 3ax  2ay  6 then, find the value 2
6


of b from 2(a 1) 2(3b 4) 4
9 Find the value of K, if x = 2, y = 2 is a solution of the equation 2
2x – y = k. Using the value of k find 2 more solutions of the equation
.How many solutions this equation has .

10 Find four different solutions of the equation 2x + 4 = 3y + 1 2
We have,

11 Draw the graph of x - 3y = 4. From the graph, find the coordinates of 3
the point when x = –2.
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