Find the discriminant of each of the following equations:
2x2 – 7x + 6 = 0
Given: 2x2 – 7x + 6 = 0
Comparing with standard quadratic equation ax2 + bx + c = 0
a = 2, b = – 7, c = 6
Discriminant D = b2 – 4ac
= (– 7)2 – 4.2.6
= 49 – 48 = 1