Q16 of 168 Page 7

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

2x2 + x + 4 = 0



Add the coefficient of to both sides







Since root cannot be negative


Therefore, no real roots exist.


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

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

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

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

x2 – 6x + 4 = 0