Alg 2 Unit 8: Lesson 4 More Variation

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Mathematics

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9th - 12th Grade

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Hard

Nathan Finnell

Used 5+ times

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15 Slides • 8 Questions

Alg 2 Unit 8: Lesson 4 More Variation

Because there is always more variation....

Multiple Choice

The volume of a cone (V) varies jointly with its height (h) and the square of its radius (r). If k is the constant of proportionality, which of the following equations represents the correct relationship between volume, radius, and height?

$V=k\left(rh\right)^2$

$V=\frac{kr^2}{h}$

$V=\frac{k}{r^2h}$

$V=kr^2h$

Multiple Choice

The image is an example of the graph of a(n)

direct variation

inverse variation

neither

both

Multiple Choice

Is the given table a direct variation? If so, what is the constant of variation?

Yes; 1/3

Yes; 3

Yes; 5

Multiple Choice

The equation
xy = 25 represents:

direct variation

inverse variation

joint variation

none of these

Multiple Choice

The equation
w = 10chs represents:

direct variation

inverse variation

joint variation

none of these

Multiple Choice

15. If t varies inversely as squared of l, then we can write the equation as _________.

A. t/l² = k

B. l² = kt

C. tl²= k

D. none of the above

Multiple Choice

The frequency of a vibrating string varies inversely as its length. A string 3 feet long vibrates 175 cycles per

second. Find the frequency of a 5 foot string.

105 cycles

291.7 cycles

2625 cycles

332 cycles

Poll

How did you feel about today's lesson?

Move over teach....I've got this!

Good

A little shaky

I need some help at a help session

Alg 2 Unit 8: Lesson 4 More Variation

Because there is always more variation....

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