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Common Core Standards
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Timed Test For
Identify dependent & independent variables
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Sample Problem
You are buying a gym membership. The membership costs $\$30$ per month. In the graph at the bottom of the page, $d$ is the total number of dollars that you pay for your gym membership, and $t$ is the time (in months) that you keep the membership. **Write an equation for the amount of money, $d$, that you pay for your gym membership if you keep the membership for $t$ months. ** [[☃ expression 1]] **Then, complete the table below for the missing value of $d$.** $t$ | $d$ :-:|:-: $1$ | $30$ $2$ | $60$ $3$ | $90$ $...$ | $...$ $24$ | [[☃ math-keypad 1]] 
You are buying a gym membership. The membership costs
$
30
\$30
$
3
0
per month. In the graph at the bottom of the page,
d
d
d
is the total number of dollars that you pay for your gym membership, and
t
t
t
is the time (in months) that you keep the membership.
Write an equation for the amount of money,
d
d
d
, that you pay for your gym membership if you keep the membership for
t
t
t
months.
Then, complete the table below for the missing value of
d
d
d
.
t
t
t
d
d
d
1
1
1
30
30
3
0
2
2
2
60
60
6
0
3
3
3
90
90
9
0
.
.
.
...
.
.
.
.
.
.
...
.
.
.
24
24
2
4
Check Answer
What's your name?
Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)