Q1 of 58 Page 118

Find the roots of the following quadratic equation if they exist.

2x2 + x - 4 = 0

2x2 + x - 4 = 0

The equation is of the form ax2 + bx + c = 0


Since a≠0 ,so it exists


We use the quadratic formula to evaluate the roots





The two roots are


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