Quadratic Function Analysis

Use the quadratic formula to solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

What is the equation of this graph?

• f(x) = (x -5)² + 1

• f(x) = (x - 1)² - 5

• f(x) = (x + 1)² - 5

• f(x) = (x + 5)² +1

Where is the function decreasing?

• (-∞, -1)

• (-1, ∞)

• (-∞, 3)

• (-∞, ∞)

Identify the function's domain and range.

• domain -∞ to ∞ and range -∞ to ∞

• domain -∞ to ∞ and range 4 to ∞

• domain -∞ to ∞ and range -4 to ∞

• domain -3 to 1 and range -4 to ∞

The range (all possible y values) for this parabola is:

Describe the end behavior of the graph.

• x →∞, y→⁻∞ and x →⁻∞,y→⁻∞

• x →∞, y→∞ and x→⁻∞, y→∞

• x →∞, y→∞ and x→⁻∞, y→0

• x →∞,y→∞ and x→⁻∞, y→⁻∞

Name the parent function.

• linear

• quadratic

• cubic

• logarithmic

Identify where the function is increasing and where it is decreasing.

• increasing x > -1 and decreasing x<-1

• increasing x < -1 and decreasing x > -1

• increasing ꓣ and decreasing nowhere

• increasing -1 < x < 4 and decreasing -3 < x < 1

Let's call the graph f(x). Find f(5) = ___

• 25

• 30

• 35

• 40