Multiple Representations of Direct Variation

Front

What does the Direct Variation Equation look like?

Back

Y= kx

Front

Is this a direct variation?
y=2x

Back

yes

Front

Do graphs of relationships that are direct variations always go through the origin?

Back

True

Front

Is this a direct variation?

Back

no

Front

Which of the given graphs is a direct variation? Options: A, B, C, D

Back

C

Front

Is this a direct variation?

Back

yes

Front

Determine the constant of proportionality for the table. Express your answer as y = kx

Back

y = 2x

Front

Determine the constant of proportionality for the table. Express your answer as y = kx

Back

y = 33x

Front

In a direct variation, y = 39 when x = 3. Find the value of y when x = 2.

Back

26

Front

Find the unit rate: $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

Back

$1.20 per pound