Reflections

What color is the x-axis?

• red
• black
• green
• white

What color is the y-axis?

• red
• black
• green
• white

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.

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

If A(2,5) was reflected over the Y-AXIS, what would the coordinated of A' be?

• A'(2,-5)

• A'(-2,5)

• A'(5,2)

• A'(5,-2)

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)

• (2, 6)

• (-6, -2)

• (6, 2)

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

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

Is the picture being reflected in the y-axis or x-axis?

• y-axis
• x-axis

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

• S'(3, 7)
• S'(-3, 7)
• S'(-3, -7)
• S'(3, 7)

Reflecting over the x-axis changes the ____-_____________. 

• x-axis
• x-coordinate
• y-coordinate
• none of the above