Constant of Proportionality and Scale Drawings

Is this table proportional?

• Yes. The constant of proportionality is 0.35.

• Yes. The constant of proportionality is 0.25.

• No. The constant of proportionality is 0.35.

• No. There is no constant of proportionality.

The __________ is the ratio of a length of the image to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

Solve the proportion:

• 4

• 8

• 14

• 10

What's the scale factor of the COPY?

• 2

• ¹/₂

• ¹/₃

• 3

What's the scale factor of the COPY?

(it gets bigger)

• 5 / 2

• 2 / 5

• 5 / 3

• 0.25

• A
• B
• C
• D

• 3.2
• 5
• 18.4
• 6

What is the scale factor from the large triangle to the small triangle?

• 1/2

• 2/3

• 3/4

• 2

What is the constant ratio or constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

What is the constant of proportionality for this table?

• 1

• 6

• 3

• 12