Q2 of 168 Page 7

Examine whether the following quadratic equations have real roots or not:

2x2 + 3x + 4 = 0

TO CHECK REAL ROOTS, ‘d' SHOULD BE GREATER THAN 0.


d = b2– 4ac


d = (3)2 – 4(2)(4)


d = 9 – 32


d = – 23


No, roots aren’t real.


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