2.3 – Direct Variation
Homework
Name _______________________________
1. Which equation is not an example of direct variation?
A.
C.
B.
D.
2. Which equation is not an example of direct variation?
A.
B.
C.
Name the constant (of variation) –
– for each equation.
3.
4.
5.
varies directly as . Find the missing coordinate.
6. If
when
, find
when
.
7. If
when
, find
when
.
8. If
when
, find
when
.
9. If
10. If
when
when
, find
, find
when
when
.
.
D.
For each function, determine whether the table represents a direct variation relationship.
If yes, give the constant (of variation) and the equation to represent the data.
11.
12.
13.
14.
15.
16. Does the following graph represent a
direct variation? Why or why not?
17. Does the following graph represent a
direct variation? Why or why not?