Reflections Practice

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.

Reflections over the x-axis change the __________.

• y-coordinate

• x-coordinate

Reflections over the y-axis change the ___________.

• y-coordinate

• x-coordinate

• y-axis

• x-axis

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

What is this transformation?
(x, y) ----> (-x, y) 

• Reflect over the x axis
• Reflect over the y-axis
• Slide down 1
• slide left 1

What is this transformation? (x, y) ----> (x, -y) 

• Reflect over the x axis
• Reflect over the y-axis
• Slide down 1
• slide left 1

Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'? 

• (5, 4)
• (-5, -4)
• (5, -4)
• (-5, 4) 

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

What Rule is used to Reflect a point over the X axis?

• (x , y) --> (-y, -x)

• (x , y) --> (y , x)

• (x , y) --> (x , -y)

• (x , y) --> (-x, y)