Understanding quadratic functions

Find the vertex y = x² - 12x + 46

• (3, -7)

• (3, 7)

• (6, 10)

• (6, -3)

 $f\left(x\right)=\left(x-4\right)\left(x+4\right)$  

Find the vertex and axis of symmetry for the equation above.

•  $(0,\ 0);\ x=0$  

•  $(-4,\ 0);\ x=-4$  

•  $(4,\ 0);\ x=4$  
  

•  $\left(0,\ -16\right);\ x=0$  

Find the Axis of Symmetry of the following Quadratic Function:

 $y=\frac{1}{2}\left(x+9\right)^2-8$  

•  $x=9$  

•  $x=-9$  

•  $x=-2$  

•  $x=-1$  

•  $x=-8$  

• x=-2

• x=2

The graph of 

 $y=x^2+6x-5$  has ______ point at ______.

• maximum,  $(-3,-14)$  

• minimum,  $\left(6,-5\right)$  

• minimum,  $\left(-6,-5\right)$  

• minimum,  $\left(-3,-14\right)$  

What is the vertex of the quadratic equation

y = 4x² - 6x + 11?

Find AOS first by x = -b/2a

• (4, -6)

• (3/4, 35/4)

• (-3/4, -35,4)

• (-3/4, 35/4)

What is the vertex of y=2(x-3)²-1?

• (-3,-1)

• (3,1)

• (-1,3)

• (3,-1)

• Roots : (-4, 0)(2, 0)

  Axis of symmetry : x = -1

  Vertex : (-1, -9)

• Roots : (4, 0)(-2, 0)

  Axis of symmetry : x = 1

  Vertex : (-1, -9)

• Roots : (4, 0)(2, 0)

  Axis of symmetry : x = 3

  Vertex : (3, -9)

• Roots: (-4, 0)(-2, 0)

  Axis of symmetry : x = -3

  Vertex : (-3, 9)

The vertex is written as _______ from the form y = a(x - h)² + k.

• (x, y)

• (h, k)

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

• (1, 3)

• (-1, 3)

• (-1, -5)

• (-1, 5)