Scale Drawing Review

Is the bee on the right a reduction or an enlargement of the bee on the left?

• Reduction

• Enlargement

Jamal is making a scale drawing of his property. The drawing is 15 inches long (y). Jamal's actual property is 225 feet long (x). What is the scale factor that Jamal is using in his drawing?

• 1/15

• 210

• 15

• 230

Thomas has a scale drawing for his club house. The measurements are 4 in. by 8 in. What is the scale factor being used if the scale on the drawing is 1 in. = 2 ft?

• k = 1/2

• k = 1

• k = 3

• k = 0.25

Alexander is drawing a map of the Federal Triangle in Washington, D.C. The actual Federal Triangle has a base of 3,000 feet (x). Alexander needs his drawing to fit on his paper, so he decides to make the base of his triangle 10 inches (y). What is the scale factor that Alexander is using?

• k = 1/300

• k = 300

• k = 3

• k = 1/3

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in

• 7 in

• 42 in

• 56 in

If the blue is the pre-image and the red is the image, is this an enlargement or a reduction?

• enlargement

• reduction

A scale factor less than one creates ....

• a reduction

• an enlargement

• an exact copy

• none of the above

scale factor?

A scale factor less than one creates ....

• a reduction

• an enlargement

• an exact copy

• none of the above

Match the following

• A (3,3) B (6,6) C (9,9)

  A' (1,1) B' (2,2) C' (3,3)

• Scale factor of 1/2

• A (2,2) B (3,3) C (4,4)

  A' (1,1) B' (1.5,1.5) C' (2,2)

• Scale factor of 2

• A (2,2) B (3,3) C (4,4)

  A' (4,4) B' (6,6) C' (8,8)

• Scale factor of 1/3

• A (1,1) B (2,2) C (3,3)

  A' (5,5) B' (10,10) C' (15,15)

• Scale factor of 3

• A (2,2) B (3,3) C (4,4)

  A' (6,6) B' (9,9) C' (12,12)

• Scale factor of 5