Quadratic Review

What is the y-intercept of the quadratic function?

• 2

• 4

• -2

• 0

What are the X-intercept(s) of this graph?

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the domain of the graph?

• All real numbers
• To infinity and beyond
• y ≥ 0
• x ≥ 0

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2

  Range : 0 ≤ y ≤ 4

• Domain : All real #s

  Range : -2 ≤ y ≤ 2

• Domain : All real #s

  Range : y ≤ 4

• Domain : -2 ≤ x ≤ 2

  Range : y ≤ 4

What is the domain of the parabola created by the ball?

• Domain : 0 ≤ d ≤ 280
• Domain : 0 ≤ h ≤ 150
• Domain : 0 ≤ d ≤ 570
• Domain : 0 ≤ h ≤ 280

Which graph best represents a function with a range of all real numbers greater than or equal to -6?

• 
• 
• 
• 

What are the coordinates of the vertex, and is it a maximum or minimum?

• (-1, 4); Maximum

• (-1, 4); Minimum

• (4, -1); Maximum

• (4, -1); Minimum

Solve    2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6
• x = -5/2, x =5
• x = -3/7, x =6
• x = -5/2, x = 7