Transformations

Which translation will move the blue shape to the green shape?

• 3 Left

  3 Down

• 3 Right

  3 Up

• 2 Right

  3 Up

• 2 Left

  3 Down

Point M (-3, 5) is translated using this rule.

(x - 1, y)

What are the coordinates of M'?

• (-4, 5)

• (-2, 5)

• (-4, 4)

• (-3, 4)

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

Triangle ABC has vertices at A(6, 1)    B(1, 7)   and C(-3, -2).  The translation to create triangle A'B'C' is (x, y) goes to (x - 1, y + 2).  Which will be the coordinates of triangle A'B'C'?

• (5, 2)   (0, -4)   (0, 9)
• (5, 3)   (0, -4)   (0, 8)
• (5, 3)   (0, 9)   (-4, 0)
• (5, 2)   (1, -3)   (0, 9)

Identify line of reflection

• x axis

• y axis

• y = x

• y = -x

What is the image of Z(-1, 4) after a reflection over the y axis?

• Z'(4, -1)

• Z'(-1,-4)

• Z'(4, 1)

• Z'(1, 4)

Is the reflection shown a reflection over the x or y axis?

• x axis

• y axis

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4 . Which describes the relationship between the two triangles?

• Triangle A'B'C' is an enlargement of triangle ABC

• Triangle A'B'C' is a reduction of triangle ABC

• Triangle A'B'C' is a mirror image of triangle ABC

Triangle ABC is dilated using a scale factor of 1/2. The center of dilation is at the origin. What are the new coordinates of point A'?

• (-3, 3)
• (-12, 12)
• (-2, 2)