Question

Sum of the roots =-7, Product of the roots =5. Quadratic equation is......... *

1) x ²-7x+5=0
2) x ² +7x+5=0
3) x ² +5x-7=0
4) x ²-5x+7=0
​

Answer 1

Answer:

2) is the Right answer .

-b/a = -7 so b/a is 7 b= 7a

c/a= 5 , so c=5 a

both above conditions are met in 2)