Vocabulary
Blast from the past
Dilations true or false
Dilating using ratio method
Facts about dilations and constructions
100
The vocabulary word that tells us how much larger or smaller we are making a dilated image.
What is scale factor?
100
3/5+4/5
What is
7/5
100
When dilating a figure in the plane or in an open space, you need at least two things:
- The Scale Factor
- Coordinates (Vertices)
What is true?
100
If my measurement from the dilation point O and the original vertex A is 20mm. Meaning OA is 20mm what should my OA' equal with a scale factor of 1/2.
what is 10mm
100
The tools that we use to dilate images
Straight edge and compass
200
Where the x axis and y axis intersect
What is the origin?
200
What are these in decimal form?
1/2 1/3 1/4 1/10 2/3 3/4
What is
.50 .333 .25 .10 .667 .75
200
Double Points!!!!
The scale factor in the image below must be greater than 1.
What is false?
200
Bonus question!! Who is the best team in the nba?
The phoenix suns!!!
200
Why can I put my dilation point anywhere I want?
(Looking for a specific word)
What is arbitrary
300
The projecting point
What is the dilation point
300
3/8 = x/56
What is 21?
300
A dilation with a scale factor of 2 creates another congruent image to the original. Explain your answer
What is false?
300
Measurement of DC'
What is 26mm?
300
An image is ________ when the scale factor is k>1
What is enlarged?
400
Double Points!!!!
What is the original image
400
10 * 5/2
What is 25
400
Two dilated images will ALWAYS be similar. Explain your answer
What is true
400
What is the scale k?
What k=3?
400
What is the scale factor if an image is rotated 180 degrees and dilated
What is k<0?
500
What is the dilated image
500
(1/4+3/4)+ -3(1*1/3)+2
What is 2
500
The image below was dilated by a scale factor of 2 then reflected across the x=4 Explain your answer
What is true
500
Find X
What is 70?
500
Double Points!!!!
What is k when the original side length is 24mm and the new dilated side length is 3mm?
What is
k=1/8