Quadratic Functions

Quadratic Functions

Unit 7 Lesson 1

Standard Form of Quadratic Equations

Example!

Multiple Choice

What is the "c" of this equation? y = 3x² + 7x + 11

• 3

• 7

• 11

Multiple Choice

What is the "b" of this equation? y = 5x² - 8x + 12

• 12

• 5

• -8

Multiple Choice

What is the "a" of this equation? y = 9x² + 7x - 3

• -3

• 9

• 7

Multiple Choice

What is the "b" of this equation? y = 7x² + 6x - 10

• 7

• 6

• -10

Multiple Choice

Which of the equations below has a C of 4?

• A. y = 8x² + 4x + 6

• B. y = 4x² + 6x + 8

• C. y = 6x² + 8x + 4

Multiple Choice

Which of the equations below has an A of 8?

• y = 9x² + 8x + 10

• y = 8x² + 9x + 10

• y = 10x² + 9x + 8

Fill in the Blank

CHALLENGE QUESTION!!! What is the "b" of the function y = 6x² + x + 7?

Fill in the Blank

CHALLENGE QUESTION!!! What is the "b" of the function y = 8x² + 10

Fill in the Blank

CHALLENGE QUESTION!!! What is the a of the function y = 8x - 10 + 7x²

Opens Up/Down

If "A" is positive, function opens UP

If "A" is negative, function opens DOWN

Multiple Choice

Does this function open up or down?

• Up

• Down

Multiple Choice

If a function opens down, it's "A" value is...

• Positive

• Negative

Multiple Choice

Does this function open up or down? y = 9x² + 7x + 11

• UP

• DOWN

Multiple Choice

Does this function open up or down? y = -7x² + x - 14

• Up

• Down

Multiple Choice

Does this function open up or down? y = 10x² - 15x?

• Up

• Down

Multiple Choice

Does this function open up or down? y = -x² + 17x

• Up

• Down

Vertex (highest or lowest point)

How are the minimum and maximum of a function different?

Multiple Choice

Does this function have a maximum or minimum?

• Maximum

• Minimum

Multiple Choice

Does this function have a maximum or minimum?

• Maximum

• Minimum

Multiple Select

Which of the following statements are true about the function?

• Maximum

• Minimum

• Opens Up

• Opens Down