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For the quadratic equation 2x^2-x-10=0 c...

For the quadratic equation `2x^2-x-10=0` check whether
(i) `x=-2`
are roots or not?

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The correct Answer is:
L.H.S. = R.H.S.
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TARGET PUBLICATION-QUADRATIC EQUATIONS-Additional problems for Practice : Based on Practice set 2.6
  1. For the quadratic equation 2x^2-x-10=0 check whether (i) x=-2 are ...

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  2. The product of Yusuf's age 5 years ago with his age 9 years later is 1...

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  3. The product of two consecutive positive number is 182, find the number...

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  4. Sanket purchesed a rectangular plot having area 200m^2. Length of the ...

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  5. The length of a rectangle is thrice as long as the side of a square. T...

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  6. The sum of a number and its reciprocal is (10)/(3), find the number(s)...

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  7. A natural number is greater than the other by 5. The sum of their squa...

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  8. The divisor and quotient of the number 6123 are same and the remainder...

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  9. There is a rectangular onion storehouse in the farm of Mr. Ratnakarrao...

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  10. From the same place at 7 a.m. A started walking in the north at the sp...

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  11. The denominator of a fraction exceeds its numerator by 2. If one is ad...

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  12. A train, travelling at a uniform speed for 360 km, would have taken 48...

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  13. The area of a rectangular playground is 420 sq.m. If its length is inc...

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  14. If the cost of bananas is increased by rupees 10 per dozen, one can ge...

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  15. Anand takes 9 days more than his father to do a certain piece of work....

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  16. One tank can be filled up by two taps in 6 hours. The smaller tap alon...

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  17. The product of Yusuf's age 5 years ago and his age 5 years ago and his...

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  18. The product of two consecutive positive number is 182, find the number...

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  19. Sanket purchesed a rectangular plot having area 200m^2. Length of the ...

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    |

  20. The length of a rectangle is twice as long as the side of a square. Th...

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  21. The sum of a natural number and its reciprocal is 10/3. Find the numbe...

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