Quadratic Equation in Context

A lizard is jumping across the water in search of food. The equation h = -12t^2 + 6t models the lizard's height in feet above the water t seconds after he jumps. How long after jumping is he back on the water?

A lizard is jumping across the water in search of food. The equation

h = -12t² + 6t

models the lizard's height in feet above the water t seconds after he jumps. How long did it take the lizard to reach it's max height?

• .25 seconds

• .5 seconds

• .75 seconds

• 1 second

A lizard is jumping across the water in search of food. The equation

h = -12t² + 6t

models the lizard's height in feet above the water t seconds after he jumps. What was the lizard's maximum height?

• .25 feet

• .5 feet

• .75 feet

• 1 foot

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 deck?

• 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, from the ground at seconds after he threw it. How long to reach max height?

• 4 sec

• 1.75 sec

• 10.125 sec

• 9 sec

Fireworks are fired from the roof of building. The equation h = -16t² +84t + 100 models the height, h, of the fireworks at any given time, t. How high do the fireworks get?

• 100 feet

• 2.625 feet

• 210.25 feet

• 6.25 feet

Fireworks are fired from the roof of building. The equation h = -16t² +84t + 100 models the height, h, of the fireworks at any given time, t. How high is the roof?

• 100 feet

• 2.625 feet

• 210.25 feet

• 6.25 feet

Fireworks are fired from the roof of building. The equation h = -16t² +84t + 100 models the height, h, of the fireworks at any given time, t. How long did it take the fireworks to reach max height?

• 100 sec

• 2.625 sec

• 210.25 sec

• 6.25 sec

Fireworks are fired from the roof of building. The equation h = -16t² +84t + 100 models the height, h, of the fireworks at any given time, t. How long did it take the fireworks to hit the ground?

• 100 sec

• 2.625 sec

• 210.25 sec

• 6.25 sec

Your friend passes you the ball during a soccer game. The height off the ground is modeled by the equation

h = -4t² + 12t. How high did the soccer ball get?

• 3 feet

• 1.5 feet

• 9 feet

• 0 feet