Quadratics Review

The standard form of a quadratic function is

• y = ax² + bx + c

• a(x - h)² + k

• y - y₁ = m(x - x₁)

• Ax + By = C

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What is the vertex?
f(x) = -x² - 4x + 12.

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

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Find the Vertex: y= -5x² -20x - 26

• (-2, -6)

• (2, 6)

• (6,2)

• (3, 6)

The vertex of parabola y = - 2x² - 4x + 1 is

• (1, 3)

• (- 1, 3)

• (- 1, -5)

• (- 1, 5)

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Which formula allows you to find the x-value of the vertex from a standard form equation?

What is the vertex for
f(x)=4(x-2)² + 3

• (-2, 3)
• (2,-3)
• (4,3)
• (2,3)