Transformations Coordinate Grid

An office supply store sells index cards in two different sizes. The large size is an enlargement of the small size. Both sizes are shown. Find the scale factor of the enlargement.

• 2

• 3

• 4

• 5

How does reflecting a figure over the y-axis change the ordered pair?

• Changes the x-coordinate

• Changes the y-coordinate

If the triangle is transformed following the rule (x,y) --> (x,-y), what transformation is modeled?

• Dilation

• Reflection

• Translation

• Rotation

Name the image of C(6, -4) under a rotation 90 degrees counterclockwise about the origin.

• C'(4, 6)

• C'(-4, -6)

• C'(6, 4)

• C'(-6, -4)

Translation are always _______

• Congruent

• Bigger

• Smaller

• Rotated

When you translate, (x,y+6) will move _____

• 6 units right

• 6 units left

• 6 units up

• 6 units down

Identify the transformation.

• Reflection across y-axis

• 90 Rotation counter clockwise

• Translation 5 units left, 1 unit up.

• Translation 5 units right, 1 unit down

Point (-5,2) is reflected over the y axis.  Where is the new point located?

• (5,2)

• (-5,-2)

• (-5,2)

• (5,-2)

Apply the following rule to the point (-5,6):
(x,y)-->(y,-x)

• (-5,-6)

• (5,-6)

• (6,5)

• (-6,5)

The point that is to be transformed is called the:

• Pre-Image

• Image

• Post-Image

• Transformation