Combined Variation

Combined Variation

11th Grade

20 Qs

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Combined Variation

Combined Variation

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Barbara White

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

The formula for Combined Variation is represented as:

y = kx

y = k/x

y = kxz

y = kx/z

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

If s varies directly as t and inversely as v, then which of the following equations describes the relation among the three variables s, t, and v?

s = k / tv

s = kv / t

1/s = kt/ v

s = kt / v

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

The cost c varies directly as the number of n pencils is written as

c = kn

k = cn

n = k/c

c = k/n

4.

FILL IN THE BLANK QUESTION

10 mins • 1 pt

Solve for the constant of variation, k.


A varies directly as D and inversely as F. A=10.5, when D=2 and F=4

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

If y varies directly as x and inversely as z, and y = 24 when x = 48 and z = 4, find x when y = 44 and z = 6.

126

132

148

154

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

If f varies directly as g and inversely as the square of h, and f = 20 when g = 50 and h = 5, find f when g = 18 and h = 6.

4

5

8

10

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

If y varies jointly as a and b and inversely as the square root of c, and y = 12 when a = 3, b = 2, and c = 64, find y when a = 5, b = 2, and c = 25.

8

16

24

32

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