Quadratic Growth

The pattern in the image models a quadratic relationship. Write an equation to show the relationship between the stage number, x, and the number of squares.

The pattern in the image models a quadratic relationship. How many squares will there be at stage 4?

• 36

• 49

• 48

• 52

The pattern in the image models a quadratic relationship. How many square will there be at stage 4?

• 9

• 15

• 12

• 11

The pattern in the image models a quadratic relationship. Write an equation to show the relationship between the stage number, x, and the number of squares.

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

• 1

• 3

• 2

• 5

• 4

Which of the following represents a quadratic function?

y = x² - 4x + 5

• down and down

• down and up

• up and down

• up and up

• 1

• 3

• 2

• 5