Solving Quadratics

What is the discriminant for:
y = x²+ 9x + 10

• -121

• 7.14

• 41

• 121

What is the discriminant in the Quadratic Formula?

• b²-4ac

• b²/2a

• 4ac

• b²±4ac

If the discriminant is positive, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• No Real Solutions

If the discriminant equals 0, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• No Real Solutions

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• No Real Solutions

The quadratic equation, when solved, generates two answers. 

• True

• False

The quadratic equation can be used to solve quadratic equations that cannot be factored.

• True

• False

In the equation x²+4=0, match each leading coefficient with its correct letter. 

• a=0 b=4 c=0

• a=1 b=4 c=0

• a=1 b=0 c=4

In the equation x² +5x +7, match each leading coefficient with its correct letter 

• a=0, b=5, c=7

• a=1, b=5, c=7

What is the understood leading coefficient of x²

• 0

• 1