Quadratic in Context

Your nephew is standing on his deck. He tosses his toy up into the air. The equation h = -2t² + 7t + 4 models the toy's height, h, from the ground at t seconds after he threw it. How high is the toy after 1 second?

• 4 feet

• 1.75 feet

• 10.125 feet

• 9 feet

Your nephew is standing on his deck. He tosses his toy up into the air. The equation

h = -2t² + 7t + 4

models the toy's height, h, from the ground at t seconds after he threw it. What was max height?

• 4 feet

• 1.75 feet

• 10.125 feet

• 9 feet

Your nephew is standing on his deck. He tosses his toy up into the air. The equation models the toy's height, h, from the ground at t seconds after he threw it. How long did it take for the toy to hit the ground?

• 4 sec

• 1.75 sec

• 10.125 sec

• 9 sec

An golf ball in launched directly upward at 64 feet per second (ft/s) from a platform at Top Golf. Its height is represented by the equation

s(t) = –16t² + 64t + 80

What is the height of the platform at top golf?

• 16 feet

• 64 feet

• 80 feet

• 144 feet

An golf ball in launched directly upward at 64 feet per second (ft/s) from a platform at Top Golf that is 80 feet high. Its height is represented by the equation

s(t) = –16t² + 64t + 80

How long did it take for the golf ball to reach it's maximum height?

• 1 second

• 2 seconds

• 3 seconds

• 4 seconds

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation

h = -6t² + 6t

where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t² + 6t where h is the frog's height in feet at any given time, t in seconds. How high did the frog jump?

• .5 feet

• 1 foot

• 1.5 feet

• 2.0 feet

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t² + 6t where h is the frog's height at any given time, t . How many seconds did it take the frog to jump to it's maximum height?

• .5 seconds

• 1 second

• 1.5 seconds

• 2 seconds

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. How many feet high (maximum height) did the dolphin jump? Enter a number only.

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. How long did it take the dolphin to get back to the water?

• .5 seconds

• 1 second

• 1.5 seconds

• 2 seconds