Quadratic With Solutions

Identify the zeros of the graph

• (0, -3)

• (-1, 0) and (3, 0)

• (1, -4)

• None of the above

Tags

CCSS.HSF-IF.C.7A

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.

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

How many solutions should a quadratic equation have based on its degree?

• 1

• 2

• 3

• 4

How does the quadratic equation show that there should be two complex solutions?

• b²

• ±

• b² - 4ac

• 2a

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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

• Positive

• Negative

• Zero

• Not Sure

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• 2 Complex (imaginary) Solutions

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:

k² - 6 = -50

• k = ±4i√11

• k = ±4√11

• k = ±2i√11

• k = ±2√11

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots.

2x² - 8 =100

• x = ±√54

• x = ±3√6

• x = ± 9√6

• x = ±2√27

Tags

CCSS.HSA-REI.B.4B

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic

Tags

CCSS.HSF-IF.C.7A