Question

What will be the nature of roots of quadratic equation 2x2+4x-7=0?

Answer 1

Answer:

Step-by-step explanation:

So,

2x2+4x-7=0

Therefore,

a=2,b=4,c=-7

According to quadratic formula,

b2-4ac

(4)2-4(2)(-7)

16-8(-7)

16+56

72

Its positive therefore

b2-4ac>0

So, its nature is real roots exist

Hope it helped

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