Question

• State whether the following statements are true or false :(9. nos. 1 to 4)
1. If - 4 is one of the zeroes of the polynomial p (x) = x2 + kx + 20, then k=-9.
2. If one of the roots of the equation x² + 6x + k = 0 is 4, the other root is - 10.
3. For two positive integers a and b, HCF(a, b) x LCM (a, b) = a × b.
4. For a = 2, the pair of equations ax + 4y = 12 and 6x + 12y = 36 has infinitely many solutions.​

Answer 1

Answer:

1. True

2. False

3. True

4. False