One and Two Proportions

How do I find the constant of proportionality (k=?)?

• k = x/y

• k = 2x

• k = y/x

• k = 2y

What is the constant of proportionality for the table above?

• X 2

• X 1/2

• X 3

• None of the above

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Which line shows a proportional relationship between x and y?

• Line L

• Line M

Q30

• F

• G

• H

• J

• F

• G

• H

• J

• F

• G

• H

• J

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

is it proportional?

• yes

• no

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional