Determine the nature of roots of the following quadratic equation.

2y² – 7y + 2 = 0

Find the value of discriminant.

Determine the nature of roots of the following quadratic equation.

x² – 4x + 4 = 0

Determine the nature of roots of the following quadratic equation.

m² + 2m + 9 = 0

Form the quadratic equation from the roots given below.

(1) 0 and 4

(2) 3 and -10

(3)

(4)