Standard Form Quadratic

Which quadratic function is graphed?

Tags

CCSS.HSF-IF.C.7A

Tags

CCSS.HSF.IF.A.2

Label the axis of symmetry and the vertex of this quadratic formula.

Tags

CCSS.HSF-IF.C.7A

Which quadratic function is graphed?

Tags

CCSS.HSF-IF.C.7A

A parabola is upside-down when a is:

• negative

• positive

• 0

• infinite

Tags

CCSS.HSF-IF.C.7A

The height of a water balloon that is launched into the air is given by h(t) = -5x²+20x+25. When will the balloon explode on the ground?

• 5 seconds

• 1 second

• 2 seconds

• 3 seconds

A ball is thrown into the air with an upward velocity of 40ft/s. Its height h in feet after t seconds is given by the function : h(t) = -16t^2 + 40t + 10 How many seconds does it take the ball to reach its maximum height?

• 1.25 seconds

• 1.4 seconds

• 2.5 seconds

• 2 seconds

Convert the equation from vertex form to standard form.

• y = 9x² - 15x + 21

• y = -3x² - 75x - 4

• y = 9x² + 90x + 221

• y = -3x² - 30x - 79

• y = -5x² - 20x - 30

• y = -5x² - 4x - 10

• y = 25x² + 100x + 90

• y = 25x² - 10x - 30

The profit from selling local ballet tickets depends on the ticket price. Using past receipts, we find that the profit can be modeled by the function: p= -15x2 +600x +60 What is the maximum profit you can make from selling tickets?

• $6060

• $20

• $600

• $10,250