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One root of the equation ax^2+bx+c=0(an...

One root of the equation `ax^2+bx+c=0(ane0)` is zero when-

A

a=0

B

b=0

C

c=0

D

x=0

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-QUADRATIC EQUATIONS-EXERCISE 5A(Multiple Choice type question)
  1. One root of the equation ax^2+bx+c=0(ane0) is zero when-

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  2. The roots of the equation ax^2+bx+c=0 are reciprocal to one another wh...

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  3. IF the signs of a and c are opposite to that of b then both roots of t...

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  4. The roots of the equation ax^2+bx+c=0(a ne 0) are equal in magnitude a...

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  5. IF b=c=0 then both roots of the equation ax^2+bx+c=0(ane0) are-

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  6. The maximum number of distinct roots in a quadratic equation is -

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  7. IF a=0,bne0 and c is real and rational then one root of the equation a...

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  8. IF a=0 and b=0 then both roots of the equation ax^2+bx+c=0 are-

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  9. The roots of the equation ax^2+bx+c=0 are equal when-

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  10. IF a,b,c are rational numbers and b^2-4ac is positive but not a perfec...

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  11. The minimum value of 9x^2-6x+1 is-

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  12. The maximum value of 4x-x^2-2 is-

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  13. If 4 is a root of the equation x^2+ax-12=0 , then which of the followi...

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  14. State which of the following is the sum of the roots of the equation 3...

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  15. State which of the following is the product of the roots of the equati...

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  16. State which of the following equation has the roots 2 and (-3)?

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  17. If the roots of the equation 5x^2-7x-k=0 are reciprocal to one another...

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  18. If the sum of the roots of the equation 2x^2+ax+6=0 be 5, then which o...

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  19. If the product of the roots of the equation 2x^2-7x+b=0 be (-3), then ...

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  20. The roots of the equation 3x^2-5x+p=0are equal, state which of the fo...

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