Post Exam Review 2

Front

What is the Quadratic Formula?

Back

Front

What is the result of multiplying (3 - 4i) and (1 + 5i)?

Back

Front

Back

Front

Back

Front

What is the definition of a complex number?

Back

Front

What is the discriminant in a quadratic equation?

Back

Front

What does it mean if the discriminant is positive?

Back

If the discriminant is positive, the quadratic equation has two distinct real roots.

Front

What does it mean if the discriminant is zero?

Back

If the discriminant is zero, the quadratic equation has exactly one real root (a repeated root).

Front

What does it mean if the discriminant is negative?

Back

If the discriminant is negative, the quadratic equation has two complex conjugate roots.

Front

How do you multiply two complex numbers?

Back

To multiply two complex numbers, use the distributive property (FOIL method) and combine like terms.