Quadratics Test #1 Study Guide

Which graph represents the equation y = x² + 1 ?

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• 
• 
• 

What is another name for the x-intercepts of a quadratic?

• y-intercepts
• zeros
• x-axis
• none of these

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Does y = -4x² have a maximum or minimum value?

• maximum
• minimum

What is this formula?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Identify the 'b' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

If the discriminant equals 0, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• 2 Imaginary Solutions

If the discriminant is positive, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• 2 Imaginary Solution