Finding Max and Min from Graph

Fill in the blank: The _____ of a parabola is the highest or lowest point.

• x-intercept

• y-intercept

• vertex

• direction

• axis of symmetry

• Min. at y=0

• Max. at y=0

• Min. at y=1

• Max. at y=1

• Min. at y=3

• Max. at y=3

• Min. at y=-4

• Max. at y=-4

Identify the vertex

• (-1,-9)

• (0,-8)

• (-4,0)

• (0,0)

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

True or False:  The vertex on this graph represents a maximum value.

• True

• False

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

A dolphin jumps from the water at at initial velocity of 16 feet per second. The equation h = -8t² + 16t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?

• 1 foot

• 5 feet

• 7 feet

• 8 feet

• 12 feet