power rule
identify independent/dependent variables
solve- one step equations
Add/Subtract intergers
100

(23)7

221

100

Maddie and Philip work at a small film studio and are planning a screening of their first feature-length film. The number of seats they will need to set up in the screening room depends on the number of people who attend the screening.

s=the number of seats Maddie and Philip will need to set up 

p=the number of people who attend the screening

p is the independent and s is the dependent variable.

100

1=c\2 

c=2

100

–16 = –2y

4

200

(99)6

954

200

Eric and Dylan are preparing meals to serve at a local homeless shelter. The number of people they will be able to serve depends of the number of meals they prepare.

p=the number of people Eric and Dylan will be able to serve

m=the number of meals Eric and Dylan prepare

m is the independent variable and p is the dependent variable.

200

c + 2 = 8

c=6

200

10 − 8=

2

300

(38)3

324

300

At a coffee shop, the cost of a customer's order determines the amount of tax due.


c = the cost of the order
t = the amount of tax due

c is the independent variable and t is the dependent variable.

300

2u = 8

u=4

400

(3313)11

33143

400

The number of lifeguards scheduled to work at the community pool on a given day varies depending on how many swimmers are expected to visit the pool on that day.


l = the number of lifeguards scheduled to work
s = the expected number of swimmers

S is the independent variable and I is the dependent variable.

400

t/3=1

t=3

500

(8929)2

8958

500

Clarence is making frosting for some cupcakes he baked earlier. The amount of frosting needed depends on how many cupcakes there are.


f = the amount of frosting needed
c = the number of cupcakes

c is independent and f is dependent.

500

–16 = –2y

y=8

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