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 after jumping is he back on the water?
Quadratic in Context

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MATH RESPONSE QUESTION
1 min • 1 pt
Mathematical Equivalence
ON
2.
MATH RESPONSE QUESTION
1 min • 1 pt
Your nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air. The equation h = -2t^2 + 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?
Mathematical Equivalence
ON
3.
MATH RESPONSE QUESTION
1 min • 1 pt
Fireworks are fired from the roof of a 100-foot 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?
Mathematical Equivalence
ON
4.
MATH RESPONSE QUESTION
1 min • 1 pt
Your cousin hit a golf ball with an initial velocity of 27 feet per second. The equation h = -6t2 + 27t models the golf ball's height in feet t seconds after the ball was hit. How long after being hit did the ball reach maximum height?
Mathematical Equivalence
ON
5.
MATH RESPONSE QUESTION
1 min • 1 pt
A frog is sitting on the ground when he is scared by a big dog. The movement of the frog is modeled by the equation h = -6t² + 6t where h is the frog's height at any given time, t. How high does the frog jump?
Mathematical Equivalence
ON
6.
MATH RESPONSE QUESTION
1 min • 1 pt
A toy rocket is launched from the top of a 48-foot hill. The rocket's height, h(x), is modeled by the
equation h(x) = -16x2 + 32x +48 after x seconds. How high was the rocket at 2 seconds?
Mathematical Equivalence
ON
7.
MATH RESPONSE QUESTION
1 min • 1 pt
A diver is standing on a platform above the pool. He jumps form the platform with an initial upward velocity of 8 ft/s. Use the formula h t = −16 t2 + 8t + 24, where h is his height above the water, t is the time, v is his starting upward velocity, and s is his starting height. How high is the platform?
Mathematical Equivalence
ON
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