8 HW 7/7 Reflections

When point D is reflected over the x-axis what will be the coordinates of D'?

• (-3,4)

• (3,4)

• (-3,-4)

• (3,-4)

When point O is reflected over the y-axis what will be the coordinates of O'?

• (4,-5)

• (4,5)

• (-4,-5)

• (-4,5)

When point G is reflected over the x-axis what will be the coordinates of G'?

• (-2,-1)

• (2,-1)

• (-2,1)

• (2,1)

Identify the transformation from ABCD to A'B'C'D'.

• Translation
• Reflection across the x-axis
• Reflection across the y-axis
• 90^o counter clockwise rotation

Identify the transformation from ABCD to A'B'C'D'.

• Translation
• Reflection across the y-axis
• Reflection across the x-axis
• 90^o counter clockwise Rotation

Triangle ABC is shown below. Suppose the triangle is translated 5 units to the right and 7 units down. What are the coordinates of the image of vertex C after this transformation?

• (-8, 6)

• (2, -6)

• (-3, -6)

• (2, 0)

Which type of transformation is (x, y) --> (x + 2, y - 2)?

• dilation

• reflection

• rotation

• translation

A polygon is transformed according to the rule: (x,y) --> (x +2, y). Every point of the polygon moves two units in which direction?

• up

• down

• left

• right

What does a translation do to a figure on the coordinate plane?

• Rotates it
• Flips it
• Shrinks it
• Slides it

If a figure is located in quadrant 3, and is reflected over the x-axis, in which quadrant will the new image appear?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4