Patterns in Quadratic Functions

Which of the following is true about quadratic functions?

• The standard form of a quadratic function is... "y = ax² + bx + c".

• The second differences of the y-values are constant.

• The graph of a quadratic is parabolic.

• All of the above

Which of the following situations can be modeled using a quadratic function?

• Walking up a staircase

• Cliff jumping into a lake.

• A sprinter running the 100 yard dash

• None of the above

What type of function can be used to model the data given in the table?

• Linear

• Quadratic

• Exponential

• None of the above

Which of the following equations matches the table shown?

• y = 6.2x² + 300

• y = -6.2x² + 300

• y = -6.2x² - 300

• y = 6.2x² - 300

y = x² - 4x + 5

• down and down

• down and up

• up and down

• up and up

What is the type of growth represented by the following equation?

• Linear

• Exponential

• Quadratic

• 1

• 3

• 2

• 5

• 4

What is the type of growth represented by the following equation?

• Linear

• Exponential

• Quadratic

Which of the following represents a quadratic function?

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