Linear Equations in Two Variables (IMO Mathematics Olympiad Class 9): Questions 38  42 of 42
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Question number: 38
» Linear Equations in Two Variables
Question
The cost of a note book is twice the cost of a pen. If the cost of a note book is ‘x’ and that of a pen is ‘y’, then a linear equation in two variables to represent is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 39
» Linear Equations in Two Variables
Question
Which equation satisfies the data in the table?
X

3

5

7

9

Y

2

4

6

8 
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 40
» Linear Equations in Two Variables
Question
Equation of the yaxis, is
Choices
Choice (4)  Response  

a.  y=x  
b.  y = x  
c.  x = 0  
d.  y = 0 
Question number: 41
» Linear Equations in Two Variables
Question
A straight line parallel to the xaxis has equation________
Choices
Choice (4)  Response  

a.  y=x  
b.  x = a  
c.  y = a  
d.  y = x 
Question number: 42
» Linear Equations in Two Variables
Question
If (2, 0) is a solution of the linear equation then the value of k is ________
Choices
Choice (4)  Response  

a.  5  
b.  2  
c.  4  
d.  6 