Find the discriminant of the following equation:
f(x) = 4x² + 6x -5
1) 116
2) -68
3) 92
4) -44

Option 1

The discriminant of given equation is 116

Solution:

We have to find the discriminant of given equation

Given equation is:

To find discriminant,

Discriminant is given by:

On comparing the given quadratic equation with general quadratic equation

a = 4

b = 6

c = -5

Substituting in above formula,

Thus discriminant of given equation is 116

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step-by-step explanation: