Complex Practice Flashcard

Front

What is the quadratic formula?

Back

Front

What does the term 'imaginary unit' refer to?

Back

Front

How do you simplify a complex fraction?

Back

To simplify a complex fraction, multiply the numerator and the denominator by the conjugate of the denominator to eliminate the imaginary unit from the denominator.

Front

What are the roots of a quadratic equation?

Back

Front

What is the significance of the discriminant in a quadratic equation?

Back

Front

How do you find the sum of two complex numbers?

Back

To find the sum of two complex numbers, add their real parts and their imaginary parts separately. For example, for (a + bi) + (c + di), the sum is (a+c) + (b+d)i.

Front

What is the standard form of a complex number?

Back

Front

What is the process to solve a quadratic equation by factoring?

Back

Front

What does it mean for a quadratic equation to have no solutions?

Back

Front

How do you express a complex number in polar form?

Back