Unit 2 Review

Write the equation of the parabola in vertex form.

vertex (2, 4)

point (1, -2)

• ( -3, -1 )

• ( -3, 1 )

• ( 2, 2)

• ( 3, -1 )

• Vertex: ( 2, -1 )

  Opens: Up

  Y-intercept: 3

• Vertex: ( 2, -1 )

  Opens: Down

  Y-intercept: -3

• Vertex: ( -2, 1 )

  Opens: Down

  Y-intercept: 3

• Vertex: ( -2, 1 )

  Opens: Up

  Y-intercept: -3

• 400 feet

• 5 seconds

• 400 feet per second

• 10 feet

• x = -9

  x = 5

• x = 15

  x = -3

• x = -15

  x = 3

• x = 9

  x = 5

• x = 3

  x = -2

• x = 0

  x = 2

• x = -1

  x = -2

• x = 1

  x = 2

Libby wants to create a pig pen with 800 feet of fencing. She wants to find the largest area she can create for the pig pen with 800 feet of fencing. What is the equation for the area AND what is the maximum area that can be created?

• x = -4

  x = 4

• no real solutions

• x = -8

  x = -2

• x = -4

• x = -2

  x = -5

• x = 2

  x = 5

• x = -1

  x = -5/2

• x = 1

  x = -5/2