Graphing Quadratic Equations Vertex

What do we call the highest or lowest point of a quadratic?

• parabola

• vertex

• graph

• point

What is the vertex?
y = -2x² + 4x + 3

• (0, 3)

• (-1, 5)

• (1, 5)

• (1, -5)

What is the vertex?
f(x) = 2(x - 5)² + 12

• (-5, -12)

• (5,-12)

• (5, 12)

• (-5, 12)

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

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Find the vertex.

• (-1, -3)

• (-2, -3)

• (0, -3)

• (-1, 0)

Find the vertex of the quadratic:
y = -2x² + 4x + 3

• (0, 3)

• (-1, 5)

• (1, 5)

• (1, -5)

What is the vertex of y=(x + 2)² - 1?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

A half-pipe at a skate park is approxiamtely parabolic in shape.  It can be modeled by the quadratic function y = x² - 6x + 9.  At what point would a skater be at the lowest part of the ramp? 

• (-3, 36)

• (36, -3)

• (3, 0)

• (0, 3)

What is the vertex of y = x² - 6x + 1 ?

• 0, 1

• -6, 1

• 3, -8

• 3, 28

The axis of symmetry for the function 2x²+8x+2 is x=-2. What is the vertex?

• (-2, -6)

• (-6, -2)

• (2, 6)

• (6, 2)