Transformations

(x, y) -------> (x, -y) is a reflection over the x axis.       

• True
• False

(x, y) -------> (x - 3, y) is a translation of 3 units to the left.   

• True
• False

If the dotted figure is the image, the original figure was reflected over the ...

• x-axis
• y-axis

State the line of reflection.

• Reflection across y-axis
• Reflection across x-axis
• Reflection across x = 1
• Reflection across y = 1

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)
• (12, 6)
• (3, -1.5)
• (0, 1.5)

Enlargement or reduction?  Find the scale factor!

• It's a reduction; the scale factor is 2.
• It's an enlargement; the scale factor is 2.
• It's an enlargement; the scale factor is 1/2.
• It's a reduction; the scale factor is 1/2.

If the scale factor is greater than 1, the dilation is...

• an enlargement
• a rotation
• a translation
• a reduction

If the scale factor is less than 1, the dilation is...

• an enlargement
• a translation
• a rotation
• a reduction

What type of transformation is this?

• Rotation

• Reflection

• Translation

• Enlargement

What type of transformation is this?

• Rotation

• Reflection

• Translation

• Enlargement