The Quadratic Formula, Imaginary Numbers and Discriminant

A discriminant value of ___ would indicate 2 non-real solutions.

• 0

• -14

• 6

An equation of the 2nd degree.

• exponential equation

• linear equation

• quadratic equation

• cubic equation

8i is an example of a(n) ____.

• vertex

• residual

• radicand

• imaginary number

The value of the radicand in the quadratic formula is called the ____.

• zero of the function

• discriminant

• perfect square

• quotient

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

What is the discriminant in the Quadratic Formula?

• -b + 4ac

• b - 4ac

• -b² - 4ac

• b² - 4ac

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

If the discriminant is negative, you will have....

• two real solutions

• two irrational solutions

• no real solution

• one real solution

If the discriminant is zero the quadratic has

• 1 real solution

• 2 real solutions

• 2 complex solutions

• 1 real and 1 non real solution

The discriminant formula is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac