MathematicsQuadratic Equations (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 9  12 of 12
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Question number: 9
» Mathematics » Quadratic Equations
Question
A solid is hemispherical at the bottom and conical above. If the surface areas of the two parts are equal, then the ratio of its radius and the height of its conical part is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 10
» Mathematics » Quadratic Equations
Question
If and are the roots of the equation , then is equal to
Choices
Choice (4)  Response  

a. 


b.  a 2 + a 4) 2 

c. 


d.  All of the above 

Question number: 11
» Mathematics » Quadratic Equations
Question
If the zeroes of the polynomial are reciprocal of each other, then the value of k is
Choices
Choice (4)  Response  

a.  1 

b.  1 

c.  2 

d.  2 

Question number: 12
» Mathematics » Quadratic Equations
Question
If and are the roots of the equation , then an equation whose roots are and is
Choices
Choice (4)  Response  

a.  ax^{2} bx + c = 0 

b.  cx^{2}+ ax + b = 0 

c.  bx^{2} + ax + c = 0 

d.  cx^{2}+ bx + a = 0 
