enlargements

Point L was located in the coordinate plane at (1.5, 4.5). Point L is dilated and ends up at (4.5, 13.5). Select all of the following true statements.

• This is an enlargement.

• This is a reduction.

• The scale factor is 1/3.

• The scale factor is 3.

Point K is located at (-3, 6). If it is dilated by a scale factor of 1/3, what will the new coordinates of Point K be? Do not put any spaces in your answer.

Which of the following scale factors are reductions?

• 2

• 1/2

• 3/2

• 3/4

• 1

If a point is dilated by a scale factor of 1/4, what specific TYPE of dilation is occurring? Use all lowercase in your answer.

Find the missing sides and the perimeter

• 21 miles
• 23 miles
• 20 miles
• 28 miles

Shape ABCD has been enlarged by, scale factor 2 from the centre (1,1).

What mistake has been made?

• The centre of enlargement isn't (1, 1)

• The shapes can't end up on top of each other

• The whole shape isn't double the size of the original

• Nothing - this is correct

Describe the transformation that takes the blue shape to the yellow shape...

• Enlargement

  Scale Factor: 4

  Centre: (0,0)

• Enlargement

  Scale Factor: ¹/₄

  Centre: (0,0)

• Enlargement

  Scale Factor: -4

  Centre: (0,0)

• Enlargement

  Scale Factor: -4

  Centre: (2,2)

What is the area?

• 28 square units
• 35 square units
• 20 square units
• 16 square units

Describe the transformation that takes the blue shape to the yellow shape.

• Enlargement

  Scale Factor: 3

  Centre: (0,0)

• Enlargement

  Scale Factor: ¹/₃

  Centre: (0,0)

• Enlargement

  Scale Factor: -3

  Centre: (0,0)

• Enlargement

  Scale Factor: ¹/₃

  Centre: (3,0)

Find the scale factor of the enlargement from A to B

• 2

• 0.5

• 3

• 4