You Do / Quadratic Functions

What is the y-intercept of this parabola?

• (6, 0)

• (-2, 0)

• (-4, -2)

• (0, 6)

What is the axis of symmetry of this parabola?

• -4

• x = -4

• x = -2

• y = -4

Identify the function graphed here.

Identify the function graphed here.

Which of the following is a quadratic function that has a vertex at (0, 10) and opens down?

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (0, 7)
• (0, -7)

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Which equation best represents the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5

Find the vertex of 
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)