Quadratic Equations (IMO Mathematics Olympiad (SOF) Class 10): Questions 43  50 of 80
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Question number: 43
» Quadratic Equations
Question
Which of the statements given below is correct. If discriminant for equation is D________
Choices
Choice (4)  Response  

a. 


b.  Not determined 

c. 


d. 


Question number: 44
» Quadratic Equations
Question
If , then is equal to ________
Choices
Choice (4)  Response  

a.  5 

b. 


c.  0 

d. 


Question number: 45
» Quadratic Equations
Question
Which of the statements given below is correct. If discriminant for equation is D________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  D is not defined 

Question number: 46
» Quadratic Equations
Question
The expression is divisible by. Then m is a divisor of ________
Choices
Choice (4)  Response  

a.  54 

b.  20 

c.  45 

d.  40 

Question number: 47
» Quadratic Equations
Question
The positive value of k for which the equations and will both have real roots, is ________
Choices
Choice (4)  Response  

a.  8 

b.  4 

c.  16 

d.  12 

Question number: 48
» Quadratic Equations
Question
Solve the equation by using quadratic formula, then x is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 49
» Quadratic Equations
Question
If one roots of is twice the other root, then the value of ‘a’ is ________
Choices
Choice (4)  Response  

a.  15 

b.  15 

c.  20 

d.  20 

Question number: 50
» Quadratic Equations
Question
A convex polygon has 44 diagonals. The number of its sides is ________
Choices
Choice (4)  Response  

a.  13 

b.  10 

c.  11 

d.  12 
