7: Unit 1, Lesson 5 Cool Down

A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7. What are the side lengths of the scaled copy?

• 2 inches by 3 inches

• 4 inches by 6 inches

• 6 inches by 14 inches

• 14 inches by 21 inches

A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7.

Suppose you wanted to scale the copy back to its original size. What scale factor should you use?

• 7

• $\frac{1}{7}$

• $\frac{1}{2}$

• 2