Question

What is the value of the discriminant for the quadratic equation –3 = –x2 + 2x?

Answer 1

The value of the discriminant for the quadratic equation –3 = –x2 + 2x is  16

What is the value of the discriminant for the quadratic equation?

The quadratic equation is given as:

–3 = –x^2 + 2x

Rewrite the equation as:

x^2 - 2x - 3 = 0

A quadratic equation is represented as;

ax^2 + bx + c = 0

So, we have

a = 1

b = -2

c = -3

The discriminant is

d = b^2 - 4ac

So, we have

d = (-2)^2 - 4 * 1 * -3

Evaluate

d = 16

Hence, the value of the discriminant for the quadratic equation –3 = –x2 + 2x is  16

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