Reflections of Points on the Coordinate Plane

Graph Reflections of Points

Lesson 6

Focus Question

Graph reflections of points within the coordinate plane.

New Vocabulary

Reflection

Multiple Choice

What is the best explanation for Mickey seeing himself in the mirror?

• refraction

• absorbed

• reflection

• flipped

Multiple Choice

When light bounces back it is _____

• Reflected

• Refracted

• Absorbed

• Optical Density

Multiple Choice

• Reflection

• Refraction

Multiple Choice

• Reflection

• Refraction

Learn: Reflections of Points

Learn: Identify Reflections of Points Across the x-Axis

Learn: Identify Reflections of Points Across the x-Axis

Learn: Identify Reflections of Points Across the y-Axis

Multiple Choice

The ordered pair of a point is (y, x)

• True

• False

Multiple Choice

When you reflect over the x axis, what stays the same?

• x stays the same

• y stays the same

• z stays the same

• q stays the same

Multiple Choice

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

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Multiple Choice

Write the ordered pair that is a reflection of each point across the x-axis.

$$\left(\ -2\ \frac{3}{4}\ ,\ 1\ \right)$$  

• $$\left(\ -2\ \frac{3}{4}\ ,\ 1\ \right)$$  

• $$\left(\ 2\ \frac{3}{4}\ ,\ 1\ \right)$$  

• $$\left(\ -2\ \frac{3}{4}\ ,\ -1\ \right)$$  

• $$\left(\ 2\ \frac{3}{4}\ ,\ -1\ \right)$$  

Multiple Choice

Write the ordered pair that is a reflection of each point across the x-axis.

$$\left(\ -4\ ,\ -2\ \frac{1}{2}\ \right)$$  

• $$\left(\ -4\ ,\ 2\ \frac{1}{2}\ \right)$$  

• $$\left(\ 4\ ,\ 2\ \frac{1}{2}\ \right)$$  

• $$\left(\ -4\ ,\ -2\ \frac{1}{2}\ \right)$$  

• $$\left(\ 4\ ,\ -2\ \frac{1}{2}\ \right)$$  

Multiple Choice

State the line of reflection.

• Reflection across y-axis

• Reflection across x-axis

• Reflection across x = 1

• Reflection across y = 1

Multiple Choice

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Multiple Choice

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

• y-axis

• x-axis

Multiple Choice

What would be the coordinates of point A after being reflected across the y- axis. (Click on the picture to make bigger)

• (-2, 7)

• (2, -7)

• (-7, 2)

• (-7, -2)

Multiple Choice

The point C'(−4, −2) is the result of reflecting C(4, −2) in the coordinate plane. Identify the axis across which the point was reflected.

• y-axis

• x-axis

Multiple Choice

• 1

• 2

• 3

• 4

Complete the Textbook Check Questions in

your Textbook on the correct pages.

Then check your answers on the next slide

and mark your work in your book.

Check Questions (Pg )

Check Questions (Pg )

Multiple Choice

Reflect (6, -3) over the line x-axis.

• (6, 3)
• (-6, -3)
• (-3, 6)
• (3, -6)