ance
JOURNAL
Define constant of
proportionality in your own
example with your definition.
a specific
words. Provide
Cats
7
9
11
PRACTICE
Analyze each table or problem situation to determine whether the relationship is
proportional. State a constant of proportionality if possible. Show your work.
for your Journal entry.
REMEMBER
If y is proportional to x, you can represent the
relationship by the equation y = kx, where k is the
constant of proportionality.
Dogs
14
21
22
x = 2² and y = 7/1/2
A baby blue whale weighed 5520 pounds at birth. After two days, the baby
weighed 5710. After 14 days, the baby weighed 8180 pounds.
Given a value for the input variable, x, and the output variable, y, calculate the
constant of proportionality.
x=21 and y = 6
bx= 60 and y = 18
x = 4 and y = 3