Question

Had Ravita scored 10 more Marks in her mathematics test out of 30 marks , 9 times these marks would have been the square of her actual marks . How many marks did she get in test
​

Answer 1

Answer:

ubsjxjvxjdbd f f g hsudifjcjfiduc diifidj ufifi

Answer 2

Answer:

15

Step-by-step explanation:

the question is of quadratic equation-

let the actual marks be x

therefor according to  the question -:

9(x+10) = x²

x²-9x-90=0

(x-15)(x+6)

x=15 or x = -6

marks is not negative hence the marks that she obtained is 15