Algebra 1 | Unit 6: Introduction to Quadratic Functions | Check Your Readiness

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6.EE.A.3

6.EE.B.6

6.G.A

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6.EE.A.3

6.EE.B.6

6.G.A

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6.EE.A.3

6.EE.B.6

6.G.A

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6.EE.A.3

7.EE.A.1

• 815 – (-97)

• 815 + 97

• 815 + (-97)

• 97 – 815

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7.NS.A.1.c

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8.F.A.3

HSA-REI.D.10

Andre is standing on a beach, and throws a rock up in the air so that it will land in the ocean. The graph shows the height of the rock, in feet, above the water as a function of time since it was thrown, in seconds.

1. How high above the water was the rock when Andre threw it? Explain how you know.
2. When did the rock reach its maximum height? How high was it?
3. About when did the rock hit the ocean?

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HSF-IF.B.6

A train is traveling at a constant speed of 44 feet per second. At a checkpoint along the route of the train, a sensor detects when the front of the train passes the checkpoint. At that moment, a stopwatch is started. Complete the table with the distance between the checkpoint and the front of the train at each time on the stopwatch.

time on the stopwatch (seconds)	distance from checkpoint (feet)
0
1
2
3
4

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HSF-BF.A.1.a

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HSF-BF.A.1.a

Station Q is 5,000 feet past the checkpoint. How far from Station Q is the front of the train when the stopwatch shows 4 seconds? What about when the stopwatch shows 15 seconds?

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HSF-BF.A.1.a