AnswersFL-1200330-Algebra 2 CRModeling with Rational Functions

Modeling with Rational Functions Answers

12 verified answers
1
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Step 1: Set up the correct type of variation equation. y =

A
kx
B
k/x
C
+ k
D
– k
2
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Step 2: Determine the constant. k =

A
0.4
B
0.5
C
2
D
2.5
3

Step 3: Determine the unknown value. a =

A
2.5
B
8.5
C
10
D
40
4

Check all the equations that are examples of joint variation.

A
Option
B
Option
C
Option
D
Option
E
Option
5

Step 1: Set up the correct type of variation equation. y =

A
kxz
B
kx/z
C
k/xz
D
kz/x
6

Cooling down, Lars pedals 56 rpms. Which equation shows his speed?

A
Option
B
Option
C
Option
7

Step 1: Set up the correct type of variation equation. z =

A
kx/y
B
k(x + y)
C
kxy
D
k/xy
8

Set up the correct type of variation equation.

A
Option
B
Option
C
Option
D
Option
9

Which describes the combined variation shown in the equation ?

Question illustration
A
F varies directly with x, and inversely with y and z.
B
F varies directly with z, and inversely with x and y.
C
F varies directly with y, and inversely with x and z.
D
F varies directly with x and y, and inversely with z.
10

Which of these statements are true for joint variations? Check all that apply.

A
There are at least two constants of proportionality.
B
The dependent variable is related to the product of the independent variables by a constant of proportionality, k.
C
The equation must have at least two independent variables.
D
The constant of proportionality is 1.
11

Determine the constant of variation.

A
Option
B
Option
C
Option
12

Which equation represents y varying directly with the cube of x, and inversely with the square root of z?

A
Option
B
Option
C
Option

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