Algebra Parabola

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

The axis of symmetry is

• x = 2

• y = 9

• 2

• undefined

• (2, 4)

• (3, 4)

• (3, 2)

• (-3, 4)

• (1, -5)

• (0, -3)

• (1, 5)

• (2, -3)

Determine the vertex of the parabola y=5(x-2)²–7

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

Match the equation with the vertex and axis of symmetry:

• Vertex: (-4, -5) x

  Axis of Symmetry: x = -4

• Vertex: (4, -5) x

  Axis of Symmetry: x = 4

• Vertex: (5, -4)

  Axis of Symmetry: x = 5

• Vertex: (-4, 0) x

  Axis of Symmetry: x = -4

Match the graph with the equation

• y = (x - 3)²

• y = - x² + 3

• y = x² + 3

• y = - (x + 3)²

Match the graph with the equation

• y = - x² + 3

• y = (x+ 3)²

• y = x² + 3

• y = (x - 3)²