Direct variation - Relations and Functions

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Get Started NowRelations and Functions Topics:
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1.
Relationship between two variables
-
2.
Understand relations between x- and y-intercepts
-
3.
Domain and range of a function
-
4.
Identifying functions
-
5.
Function notation
-
6.
Function notation (Advanced)
-
7.
Operations with functions
-
8.
Adding functions
-
9.
Subtracting functions
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10.
Multiplying functions
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11.
Dividing functions
-
12.
Composite functions
-
13.
Inverse functions
-
14.
One to one functions
-
15.
Difference quotient: applications of functions
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16.
Transformations of functions: Horizontal translations
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17.
Transformations of functions: Vertical translations
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18.
Reflection across the y-axis: y=f(−x)
-
19.
Reflection across the x-axis: y=−f(x)
-
20.
Transformations of functions: Horizontal stretches
-
21.
Transformations of functions: Vertical stretches
-
22.
Combining transformations of functions
-
23.
Even and odd functions
-
24.
Direct variation
-
25.
Inverse variation
-
26.
Joint and combined variation
Don't just watch, practice makes perfect
Do better in math today
Get Started NowRelations and Functions Topics:
-
1.
Relationship between two variables
-
2.
Understand relations between x- and y-intercepts
-
3.
Domain and range of a function
-
4.
Identifying functions
-
5.
Function notation
-
6.
Function notation (Advanced)
-
7.
Operations with functions
-
8.
Adding functions
-
9.
Subtracting functions
-
10.
Multiplying functions
-
11.
Dividing functions
-
12.
Composite functions
-
13.
Inverse functions
-
14.
One to one functions
-
15.
Difference quotient: applications of functions
-
16.
Transformations of functions: Horizontal translations
-
17.
Transformations of functions: Vertical translations
-
18.
Reflection across the y-axis: y=f(−x)
-
19.
Reflection across the x-axis: y=−f(x)
-
20.
Transformations of functions: Horizontal stretches
-
21.
Transformations of functions: Vertical stretches
-
22.
Combining transformations of functions
-
23.
Even and odd functions
-
24.
Direct variation
-
25.
Inverse variation
-
26.
Joint and combined variation
Don't just watch, practice makes perfect
Direct variation
Lessons
Notes:
Direct Variation:
y varies directly with x with a constant variation of k
y=kx
where k≠ 0
