Ch 4 Linear Equations in Two Variables- MCQ Online Test 1 Class 9 Maths

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Chapter 4 Linear Equations in Two Variables- MCQ Online Test 1 Class 9 Maths

  1. x = 2, y = – 1 is a solution of the line equal to
    x – y = 7
    x + y = 5
    2x + 3y = 5
    x + y = 1

2. The straight line passing through the points (0, 0), (–1, 1) and (1, – 1) has equation :
x + y = 0
x = y
x – y = 0
x + y = 8

3. The graph of the equation 2x – 3 = 3x – 5 is parallel to :
Both the axes
x-axis
y-axis
None of these

4. The straight line 2x – 5y = 0 passes through the point :
(0, 0)
(8, -2)
(0, 4)
(1/3, -2/5)

5. The graph of the lines x + y = 7 and x – y = 3 meet at the point :
(5, 2)
(1/5, 2)
(3, -5)
(1/2, -3)

6. The graph of the equation y = x2 is :
x-axis
y-axis
A straight line
None of these

7. Which of the following equations is not linear equation :
2/3x + 5 = 3x + 4
2x + 3 = 7x – 9
x2 + 3 = 5x – 3
(x – 2)2 = x2 – 1

8. If x = 1,y = 1 is a solution of equation 9ax + 12ay = 63 then, the value of a is :
3
-3
10
3/4

9. A linear equation in two variables has maximum :
Infinite solution
Only one solution
Two solution
None of these

10.

3 root
1 root
2 root
No root

[WpProQuiz 889]