Quadratic Formula Error Analysis

Where did the mistake occur in this QUADRATIC FORMULA example?

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The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

For the function below, is the discriminant positive, negative, or zero?

___________

y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0

• 1

• 2

• 5

If the discriminant is a perfect square you will have.....

• two real solutions

• two irrational solutions

• one solution

• two imaginary solutions

If the discriminant is not a perfect square, then you will have

• two real solutions

• two irrational solutions

• two imaginary solutions

• one solution

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

• two real solutions

• two irrational solutions

• two imaginary solutions

• one solution

If the discriminant is negative, then the quadratic has:

• 1 Rational Solution

• 2 Rational Solutions

• 2 Irrational Solutions

• 2 Complex Solutions

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac