how do you use an equation to show the relationship between two variables? j = 10s
Post on 05-Jan-2016
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How do you use an equation to show the relationship between two variables?
j = 10s
In this lesson you will learn how to show the relationship
between independent and dependent variables
by writing an equation.
Let’s Review
An equation is a mathematical sentence with an equal sign.
Core Lesson
Carlie is selling jars of strawberry jam to raise money for her soccer team. How much money will
she make?
the amount of money earned
the number of jars of jam
= m
= s
Core Lesson
5j = m
coefficient
5 $$(1)5 = $5(2)5 = $10
Which variable is independent? Which
is dependent?
independent variable dependent
variable
Core Lesson
j
(number of jars)
m
(amount of money)
1 $5.00
2 $10.00
4
3
5
$15.00
$20.00
$25.00
50
45
40
35
30
25
20
15
10
50
109876543210am
ount
of
money
jars of strawberry jam
Jars of Strawberry Jam
(3)5 = $15(5)5 = $25
A Common Misunderstanding
dependent variable
The amount of money earned influences the
number of jars?
independent variable
Independent Variable:
Dependent Variable:
is the variable that is changing.
is the variable that is affected by the change.
5 $$
In this lesson you have learned how to show the relationship between
independent and dependent variables
by writing an equation.
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