Quadratic Equations (IMO Mathematics Olympiad Class 10): Questions 60  65 of 80
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Question number: 60
» Quadratic Equations
Question
If the equation has equal roots, and then the both roots are equal to ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 61
» Quadratic Equations
Question
In the equation , the roots are equal when ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 62
» Quadratic Equations
Question
The roots of the equation can be found by solving ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 63
» Quadratic Equations
Question
The roots of the equation can be found by solving ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 64
» Quadratic Equations
Question
The expression is divisible by . Then k is a divisor of ________
Choices
Choice (4)  Response  

a.  106 

b.  120 

c.  162 

d.  135 

Question number: 65
» Quadratic Equations
Question
One of the two students, while solving a quadratic equation in x, copied the constant term incorrectly and got the roots 3 and 2. The other copied the constant term and coefficient of correctly as and respectively. The correct roots are
Choices
Choice (4)  Response  

a. 


b. 


c.  3, 2 

d. 

