Zeros and Quadratic Applications

• 70 feet

• 95 feet

• 149 feet

• -16 feet

• 10 seconds

• 64 seconds

• 960 seconds

• 2 seconds

• 1024 feet

• 64 feet

• 960 feet

• 2 feet

• 10 seconds

• 2 seconds

• 5 seconds

• 7 seconds

Jason jumped off of a cliff into the ocean in Acapulco while vacationing with some friends. His height as a function of time could be modeled by the function h(t) = –16t² + 16t + 480, where t is the time in seconds and h is the height in feet. How long does it take Jason to hit the water?

• -16 seconds

• 6 seconds

• 0 seconds

• 5 seconds

Find the roots/zeros of x² - 3x - 10

• -2, 5
• -5, 2

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² - x - 20

• -5, 4
• -4, 5

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA.APR.B.3