Which of the following equations has the...

Which of the following equations has the sum of the roots -5 ?

`3x^(2)-15x+3=0`

`x^(2)-5x+3=0`

`x^(2)+3x-5=0`

`x^(2)+8x-15=0`

Verified by Experts

The correct Answer is:

`x^(2)+8x-15=0`

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Which of the following equations has the sum of its roots as 11 ?

`x ^(2) -11 x + 18=0`

`x ^(2) -7x + 10=0`

`x ^(2) + 2x - 26 =0`

`x ^(2) + 5x - 6 =0`

`2x^(2) - 3x + 6 = 0`

`-x^(2) + 3x - 3 = 0`

`sqrt2 x^(2) - (3)/(sqrt2) x + 1 = 0`

`3x^(2) - 3x + 3 = 0`

`x ^(2) - 5x + 6=0`

`x ^(2) - 5x - 6=0`

`x ^(2) + 5x + 6=0`

`x ^(2) - 5x - 6 =0`