Posted by Briana T on Thursday, December 6, 2012 at 4:08pm.
1.
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3).
(2, 4) and (6, 6)
(2, 4) and (6, 6)
(–2, 4) and (6, –6)
(2, –1) and (–3, 3)
2.
Given a scale factor of onehalf , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2), and (4, 0).
(0, 0), (0, 4), (8, 0)
(0, 0), (0, 1), (2, 0)
(onehalf,onehalf), (onehalf, 1), (2, onehalf)
(2, 2), (2, 4), (8, 2)
3.
The dashed figure is a dilation of the original figure. Find the scale factor. Classify the dilation as an enlargement or a reduction.
dashed figure dilation
2, enlargement
onethird , reduction
onehalf , reduction
3, enlargement
4.
What is the scale factor in the following dilation? The red triangle is the preimage.
dilation
3
onethird
2
onehalf
My Answer Please Check Please
1 (2, 4) and (6, 6)
2 (2, 2), (2, 4), (8, 2)
3 2, enlargement
4 onehalf

Math  Steve, Thursday, December 6, 2012 at 4:15pm
1. (C) don't lose track of the signs
2. (B) just multiply coordinates by scale factor
3,4. no diagrams here
I'd be interested to see how you arrived at your answers for 1 & 2.

Math  Anonymous, Saturday, November 8, 2014 at 11:59am
C B C D A

Math  helloz, Wednesday, November 18, 2015 at 3:58pm
c
b
a
c
100%

Math  Bruh_Itz_Meh, Monday, October 17, 2016 at 12:06pm
Holloz is wrong, i got a 75% here are the answers,
1.C
2.B
3.D
4.C

Math  kjabdkjbsdvf, Tuesday, October 25, 2016 at 11:05am
helloz is wrong, do Bruh_Itz_Meh,
1.C
2.B
3.D
4.C

Math  Anonamaous, Wednesday, November 2, 2016 at 10:30am
I just took the test its 1.C 2.B 3.A 4.C
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