Worksheet for the Quadratic Formula

Question 1: Use the Quadratic Formula to
calculate the roots of the following Quadratic equations:

a) 5x2 + 6x + 1 = 0
b) 2x2 + 3x - 2 = 0
c) x2 - x - 2 = 0
d) 10x2 -14x +4 = 0

Question 2: Use the Quadratic Formula to find the roots of the following Quadratic equations:

a) 3x2 + 5x + 2√3 = 0
b) 2x2 - x - √2
c) 5x2 + 35x + 50√5 = 0
d) 3√2x2 + x - 2√2 = 0


Question 3: Use the Quadratic Formula to find the roots of the following Quadratic equations:

a) x + 1/x = 2
b) (x + 1)/(x + 3) = (3x + 2)/(2x + 3)
c) x^2 + (1/x^2) = 2
d) x(2 + x) = 3

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