Question

find the values of a,b,c for the quadratic equation x2+7x-1=0​

Answer 1

Answer:

Given equation is x

2

+7x−1=0

Discriminant=Δ=b

2

−4ac

where a=1,b=7 and c=−1

∴Δ=7

2

−4×1×−1=49+4=53>0

Answer 2

see attached file for your answer

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