Question

Find value of discriminant.

$1) {x}^{2} + 7x - 1 = 0\\ 2)2 {y}^{2} - 5y + 10 = 0 \\ 3) \sqrt{2} {x}^{2} + 4x + 2 \sqrt{2} = 0$
​

Answer 1

Answer:

i) d = 53

ii) d = -55

iii) d = 32

Hope it helps you!