Reflection on the Coordinate Plane

Reflection on the Coordinate Plane

by Mr. Tran

Multiple Choice

Reflections over the x-axis change the ____-__________. 

• y-coordinate
• x-coordinate
• y-axis
• x-axis 

Multiple Choice

Reflect about the x-axis (4, 1). What is the new coordinate?

• (4,1)

• (4,-1)

• (-4,-1)

• (-4,1)

Multiple Choice

Reflect about the x-axis (9, -1)

What is the new coordinate?

• (9,1)

• (9,-1)

• (-9,-1)

• (-9,1)

Multiple Choice

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

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

Multiple Choice

Reflect about the y -axis (-3 , -6)

What is the new coordinate?

• (3,6)

• (-3,6)

• (3,-6)

• (3,6)

Multiple Choice

Reflect about the y-axis (-2, 7)

What is the new coordinate?

• (-2 , 7)

• (-2, -7)

• (2, -7)

• (2,7)

Multiple Choice

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

• y-axis
• x-axis

Multiple Choice

What axis is the shape reflected over?

• y-axis

• x-axis

• both axes

Multiple Choice

Reflect triangle ABC over the x-axis. What are it's new reflected points?

• A' (2, 3) B' (5, 4) C' (2,4)

• A'( -2, -3) B' (-5, -4) C'(-2, -4)

Multiple Choice

Which answer shows a reflection across the x-axis?

• A

• B

• C

• D

Multiple Choice

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

(x,y) --> (x, -y)

• x stays the same

• y stays the same

• z stays the same

• q stays the same

Multiple Choice

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

(x,y) --> (-x,y)

• x stays the same

• y stays the same

• z stays the same

• q stays the same

Multiple Choice

What is the rule for a reflection over the x-axis?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

Multiple Choice

What is the rule for a reflection over the y-axis?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

Multiple Choice

Quadrilateral ABCD is reflected across the x-axis to create quadrilateral A'B'C'D'. Which algebraic

rule describes this transformation?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (-x, -y)

• (x, y) --> (-y, x)

Multiple Choice

If the triangle ABC is reflected across the y-axis to create a new image, which rule describes this

transformation?

• (x, y) --> (-x, y)

• (x, y) --> (x, -y)

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

Multiple Choice

Quadrilateral PRST is reflected across the y-axis to form Quadrilateral P'R'S'T'. Which rule describes this transformation?

• (x, y) --> (-x, y)

• (x, y) --> (x, -y)

• (x, y) --> (-x, -y)

• (x, y) --> (-y, x)

Multiple Choice

Pentagon ABCDE is reflected across the x-axis to form Pentagon A'B'C'D'E'. Which rule describes this transformation?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (-x, -y)

• (x, y) --> (y, -x)

Multiple Choice

Reflect the point (2, -4) over the y-axis. What is the coordinate of the new point?

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

Multiple Choice

∆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)

Multiple Choice

Triangle ABC has a vertex, A (5,2). Find the coordinates of A after a reflection over the x-axis.

• A’(5, -2)

• A’(-5, -2)

• A’(-5, -2)

• A'(5,2)

Multiple Choice

• (x,y) --> (x, -y)

• (x,y) --> (x, y+8)

• (x,y) --> (-y, x)

• (x,y) --> (-x, y)