Quadratic Explicit Functions

Find the explicit formula for the sequence shown in the graph.

Tags

CCSS.HSF.BF.A.2

Which of the following is NOT true about quadratic functions?

• They will have a constant rate of change

• The graph will create a parabola

• The explicit equation will have an x²

• The numbers in the table will be increasing at one point and decreasing at a different point

What type of function is shown in the table above?

• Linear

• Quadratic

• Exponential

• None

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1

• f(x) = (x + 2)² - 1

• f(x) = -(x + 2)² - 1

• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

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 

Tags

CCSS.HSF-IF.C.7A

• 1

• 3

• 2

• 5

• 4

Which of the following represents a quadratic function?

Identify the domain and range of the function.

• Domain: -6 ≤ x ≤ 2
  Range: -3 ≤ y ≤ 5

• Domain: All real numbers
  Range: -3 ≤ y ≤ 5

• Domain: All real numbers
  Range: y ≥ -3

• Domain: All real numbers
  Range: y ≤ -3

Find the equation represented by the table.

• y = x²

• y = -4x + 4

• y = x² - 4x

• y = x² - 4