Mathematics-Quadratic Equations [NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension]: Questions 1 - 7 of 7
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Question 1
Appeared in Year: 2013
Question MCQ▾
, where a, b, c are real, has real roots if
Choices
Choice (4) | Response | |
---|---|---|
a. | ac > 0 and b is zero | |
b. | ||
c. | a b c are integers | |
d. | All of the above |
Question 2
Question 3
Question 4
Question 5
Question MCQ▾
For what values of fc, the equation has equal roots?
Choices
Choice (4) | Response | |
---|---|---|
a. | 8 and 2 | |
b. | 10 and 4 | |
c. | 6 and 4 | |
d. | 2 and 12 |
Question 6
Question MCQ▾
Sum of roots is -1 and sum of their reciprocal is , then equation is
Choices
Choice (4) | Response | |
---|---|---|
a. | x2 + x - 6 = 0 | |
b. | 6x2 + x + 1 = 0 | |
c. | x2 - x + 6 = 0 | |
d. | x2 - 6x + 1 = 0 |
Question 7
Question MCQ▾
If a and b are the roots of the equation , then the value of ) is equal to
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | 5 | |
c. | ||
d. | Question does not provide sufficient data or is vague |