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Biblioteka

Unit 3C Quiz

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Posljednje ažuriranje about 4 years ago
10

Use this pattern to answer the following questions:

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1
1
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1

A framed picture has a total area y, in square inches. The thickness of the frame is represented by x, in inches. The equation y = (8 + 2x)(10 + 2x) relates these two variables.

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1

A flare is launched from the deck of a lifeboat 8 ft above the water surface. The initial upward velocity is 120 feet per second.

(Vertical Motion Model: h(t) = -16t2 + vt + s)

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Pitanje 1
1.

How many tiles are in each stage of Pattern C?

Pitanje 2
2.

Write an equation that describes the number of tiles in a stage based on its stage number.

Pitanje 3
3.

How many small squares would be in stage 10?

Pitanje 4
4.

Write an equation to find the xth term in this quadratic sequence:

8, 14, 24, 38,...

Pitanje 5
5.

What is the 15th term in this quadratic sequence?

8, 14, 24, 38,...

Pitanje 6
6.

What are the length and width of the picture without the frame?

(Separate the two numbers with a comma. Ex: 1,2)

Pitanje 7
7.

If the total area of the picture and frame is 224, then what is the thickness of the frame?

Pitanje 8
8.

Write a vertical motion model for this situation

Pitanje 9
9.

Graph the vertical motion model:

Objavili smo novi i poboljšani tip pitanja za grafički prikaz! Studenti više neće moći odgovoriti na ovo pitanje.
Pitanje 10
10.

How many seconds will it take for the flare to return to the sea?