Algebra I Quiz Review 8-3 and 8-4

Given the equation y = 3(x + 5)² - 4,

what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

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

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

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

Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

What is the y-intercept of 
f(x) = 2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

What is the vertex of y = x² + 4x + 3?

• (2, 1)

• (-2, 1)

• (0, 0)

• (-2, -1)