Area Models Quadratics

• 2500
  

• 50

• 100

• 2000

The function g models the number of mosquitoes (in millions of mosquitoes) in a certain area as a function of rainfall (in centimeters) in that area.

How much rainfall in centimeters produced the largest number of mosquitos?

• 0

• 1

• 2

• 3

• 4

Is the discriminant of f positive, negative, or zero?

• positive

• negative

• zero

What is the axis of symmetry for the following equation?

y=4x²-8x+9

• x = 5

• x=1

• y = 1

• y = 5

• A

• B

• C

• D

A company collected data for the number of text messages sent and received using a text-message application since October 2011. The table shows the number of text messages sent and received in billions over time. The data can be modeled by a quadratic function. Which function best models the data?

• A

• B

• C

• D

• A

• B

• C

• D

Which function best models the data?

A company collected data for the number of text messages sent and received using a text-message application since October 2011. The table shows the number of text messages sent and received in billions over time. The data can be modeled by a quadratic function. Which function best models the data?