Ch 3 Review

Translation

100

(0,0) Translated left 2 and up 2 

(-2, 2) 

200

(-1, -3) T_{<-1, -3>}

(-2, -6) 

300

The image is located at (5, -5) and the pre-image is located at (-5, 5). What is the translation rule?

T_{<10, -10 >}

Rotation

100

(1,1) rotated 90^o about origin

(-1,1)

200

(1,1) rotated 270^o about origin 

(1,-1)

300

The image is (2,-3) which was rotated 180^o. What is pre-image?

(-2, 3) 

Reflection

100

reflect (1,-2) about y axis. 

(-1, -2) 

200

Reflect (-2, 5) about x axis 

(-2, -5) 

300

R_y-axis o R_x-axis  for (-5, -3) 

(5,3)

Dilation

100

Are dilations rigid motion?

no

200

D_0.5 (8, 11) 

(4, 5.5) 

300

If a point was dilated from (2,-3) to (5, -7.5) what is the scale factor?

2.5 

Totally Random

100

What is the 3rd planet from the sun?

Earth

200

Who wrote the Lord of the Rings? 

J. R. R. Tolkien

300

When was Saraland incorporated as a city? 

1957