Q2 of 227 Page 105

Solve the following quadratic equations using quadratic formula.
15x² – 11x + 2 = 0

15x² – 11x + 2 = 0

⇒ a = 15 , b = –11 and c = 2

(–11)²– 4 (15) (2)

=121 – 120

Solve the following quadratic equations by completing the square.

=3x + 2

Solve the following quadratic equations using quadratic formula.

x²7x + 12= 0

Solve the following quadratic equations using quadratic formula.

3a²x² – ax –2b² = 0

Solve the following quadratic equations using quadratic formula.15x2 – 11x + 2 = 0