A dilation with a scale factor greater than 1 is called an __________
Enlargement
Oops!
Check
Okay!
Check
15
A triangle is dilated by a scale factor of 1/2. How can we represent this algebraically? (x,y) ----> (_____,____)
(x,y) ----> (1/2x,1/2y)
Oops!
Check
Okay!
Check
15
A dilation with a scale factor between 0 and 1 is called a ____________
Reduction
Oops!
Check
Okay!
Check
15
What is the scale factor of this dilation?
2
Oops!
Check
Okay!
Check
15
What is the scale factor for this dilation?
2
Oops!
Check
Okay!
Check
lifesaver
Give 5 points!
Oops!
gift
Win 20 points!
Okay!
gift
Win 20 points!
Okay!
banana
Go to last place!
Oops!
15
A triangle has points A(2,1), B(3,4) and C(5,2) and a center of dilation at (0,0). It is dilated by a scale factor of 2. What are the coordinates of C'?
(10,4)
Oops!
Check
Okay!
Check
15
If this shape is dilated by a scale factor of 3 with a center of dilation at (0,0), what are the coordinates of C'?
(3,6)
Oops!
Check
Okay!
Check
15
A shape is dilated by a scale factor of 3. How can we represent this algebraically? (x,y) -----> (____,____)
(x,y) -----> (3x,3y)
Oops!
Check
Okay!
Check
15
If we wanted to figure out the center of dilation for two triangles, how could we find it?
Draw rays through each corresponding set of vertices and see where they intersect.
Oops!
Check
Okay!
Check
15
If you dilate DEF with a center of dilation at (0,0) and a scale factor of 1/2, what are the coordinates of D'?
(1,3)
Oops!
Check
Okay!
Check
thief
Give points!
5
10
15
20
25
rocket
Go to first place!
Okay!
gift
Win 15 points!
Okay!
banana
Go to last place!
Oops!
15
S' is a dilation of S. Does this dilation have a scale factor greater than 1 or less than 1?
