Question

6. For what value of k, (-4) is a zero of the polynomial x'--*-(2k + 2)? (CBSE 2009)
7. If m and n are the zeroes of the polynomials 3x + 11x - 4. find the value of 4
(CBSE 2012)
8. If the zeroes of the polynomial x2 + px + q are double in value to the zeroes of the
polynomial 2x2 - 5x - 3, find the values of p and q.
9. Form a quadratic polynomial whose one zero is 3 + V2 and the sum of zeroes is 6.
10. If ax? - 7x + c has 14 as the sum of the zeroes and also as product of the zeroes,
find the value of a and c.
(HOTS)​

Answer 1

Answer:

9th ans x^2-10√2x+21√2