Q16 of 168 Page 7

Find the roots of the following quadratic equations, if they exist by the method of completing the square:
x² – 9x + 18 = 0

x² – 9x = –18

Add the coefficient of to both sides

Find the roots of the following quadratic equations, if they exist by the method of completing the square:

2x² – 5x + 3 = 0

Find the roots of the following quadratic equations, if they exist by the method of completing the square:

9x² – 15x + 6 = 0

Find the roots of the following quadratic equations, if they exist by the method of completing the square:

2x² + x + 4 = 0

Find the roots of each of the following quadratic equations if they exist by the method of completing the squares:

2x² – 5x + 3 = 0

Find the roots of the following quadratic equations, if they exist by the method of completing the square:x2 – 9x + 18 = 0