A quadratic equation with real coefficients and leading coefficient 1, has x = - bi as a root. Write the equation in general form.

Question

Mathematics

Mollie Donaldson

26 May, 08:59

A quadratic equation with real coefficients and leading coefficient 1, has x = - bi as a root. Write the equation in general form.

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Dahlia Barrett · Answer 1

The general form of quadratic equation with real coefficients and leading coefficient 1, has x = - bi as a root

=> x = - b + √ b^2 - 4 ac

2a

It is also written as:

=> ax^2 + bx + c = 0

Quadratic equation involves unknown numbers which is x, the numbers which a, b and c are called coeffecients.

There are also quadratic factorization where you factor the polynomial give to be able to get the value of the equation.