Q. The solutions of the quadratic equation
x²-5x+6=0 are

Q. In the quadratic formula, if b²-4ac>0, then the quadratic equation has

Q. To complete the perfect square trinomial in the expression x²-22x+_____, we need to add

Q. In the quadratic formula, the expression
b²-4ac is called

Q. In the expression 4x²-5x+9 the leading coefficient is

Q. The solution of the quadratic equation
4x²-5x-9=0 are

Q. If 3+2i is a solution of a quadratic equation, then other solution of this quadratic equation is

Q. One solution of the quadratic equation
x²-7x+12=0 is

Q. Fill the blank space to complete the perfect square trinomial
x²-18x+____=(x- ____)²

Q. Which of the followig trinomial is perfect square trinomial?