Question

find the value of discriminant X2+7x-1=0​

Answer 1

Answer:

x = -0.146

or

x = -6.854

Step-by-step explanation:

Answer 2

Answer:

Here given quadratic equation is,

2x²+7x-1=0

Step-by-step explanation:

comparing with equation

ax²+bx+c= 0

We get, a= 2,b= 7& c= -1

using formula,

b²-4ac= 7²-4(2)(-1)

=49- (-8)

=57

discriminant= 57