Transformation

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

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

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

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

∆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)

Another name for Reflection is...

• flip
• turn
• slide
• dilation

What color is the x-axis?

• red
• black
• green
• white

What color is the y-axis?

• red
• black
• green
• white

Translations, reflections and rotations are all known as ________________________.

• Geometry

• Congruent

• Transformation

• Similar

Triangle ABC has vertices A(2,1), B(0,3), and C (-4, -1). Find the vertices of A'B'C' after a translation of of 2 units to the RIGHT and 4 units UP

A'​ (a)  

B'​ (b)  

C'​ (c)  

• (4,5)
• (2,7)
• (-2,3)

Triangle DEF has vertices D(-3,0), E(2,8) and F(-1, -5). Find the vertices of D'E'F' after a translation of of 5 units to the LEFT and 1 units DOWN

D'​ (a)  

E'​ (b)  

F'​ (c)  

• (-8,-1)
• (-3,7)
• (-6,-6)

Identify the rule after a 90° COUNTER CLOCKWISE rotation:

(x, y) ---> ___________

• ( y, -x)
• ( -y, x)
• ( -x, -y)
• ( y, -x)