Key Characteristics of a Quadratic Function

Determine the interval in which this function is INCREASING.

• (-4, ∞)
• (-3, ∞)
• (∞, -3)
• (-∞, -4)

Determine the interval in which this function is DECREASING.

• (-3, ∞)
• (-3, ∞)
• (-∞, -4)
• (-∞, -3)

Determine the interval of this function's DOMAIN.

• (-5, -1)
• (-∞, ∞)
• No solution
• (-∞, -3)

Determine the interval of this function's RANGE.

• (-4, ∞)
• (-3, ∞)
• No solution
• (-∞, -4)

Determine the interval in which this function is DECREASING.

• (-∞, 2)
• (2, ∞)
• (2, -∞)
• (-∞, 1)

What is the vertex of this quadratic equation?

y = -2(x + 2)² + 4

• (-2,4)

• (-2,-4)

• (4,-2)

• (-4,-2)

Does this graph have a maximum or minimum?

• Minimum
• Maximum

A parabola has a vertex at (-3, 2).

What is the equation of the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

What is the axis of symmetry for this graph?

• y=2
• x=2
• x=0
• y=0

What is the y-intercept of the function

y = -2x² + 8x - 6?

• (0, 8)

• (0, -6)

• (0, 2)

• (0, 0)