Writing Quadratic Functions

What is the standard form of a quadratic equation?

Write a quadratic function using the table given.

Write a quadratic function to represent the given table.

Write a quadratic function to represent the given table.

Identify the coefficients of the quadratic function.

What is the zero term of the quadratic function?

What is the value of c for the quadratic function?

What is the correct calculator command order to write a Quadratic Regression Model?

• 1. y =

  2. Graph

  3. Calc --> 2: x-int

• 1. Stat --> Calc --> 5: QuadReg

  2. Enter your data into L1, L2.

  3. Stat --> Edit

• 1. Stat --> Edit

  2. Enter your data into L1, L2.

  3. Stat --> Calc --> 4: LinReg

• 1. Stat --> Edit

  2. Enter your data into L1, L2.

  3. Stat --> Calc --> 5: QuadReg

You used a graphing calculator to write a quadratic regression model and the following coefficients were given: a = 1, b = -2 and c = 0. Which quadratic equation is correct?

You used a graphing calculator to write a quadratic regression model and the following coefficients were given: a = 1, b = 0 and c = -4. Which quadratic equation is correct?