For Problems 1 and 2, apply the dilation D to the polygon with the given vertices. Name the coordinates of the image points, and plot the pre-image and the image. Tell the scale factor. 14 1. D(x, y) → (1.5x, 1.5y) -4-2 2. G(1, -2), H(1, -4), J(4, -2) -2 GL), H'L L), PU _), L_ -4 Scale factor: 4 2. D(x, y) → 1 1 X, Y L(-3, 3), M(3, 6), N(3, -3) -2 2. -2 L L), M'L. ), N'( L) -4 Scale factor: 2.

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ChapterP: Preliminary Concepts
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Name
Date
Class
LESSON Dilations
11-1
Practice and Problem Solving: A/B
For Problems 1 and 2, apply the dilation D to the polygon
with the given vertices. Name the coordinates of the
image points, and plot the pre-image and the image. Tell
the scale factor.
1. D(x, y) > (1.5х, 1.5у)
-4
-2
2
4
G(1, -2), H(1, -4), J(4, –2)
-2
G'(L.
), H'(__,
_), PL)
-4-
Scale factor:
1
2. D(x, y) →
2
L(-3, 3), M(3, 6), N(3, –3)
-2
4
-2
_), M'(_,
), N'(
-4
Scale factor:
For Problems 3–6, use your graphs for Problems 1 and 2.
3. If you drew lines GG', HH', and JJ', on the graph for Problem 1,
where would the lines intersect?
) This point is called the
of
4. If you drew lines LL', MM', and NN' on the graph for Problem 2,
where would the lines intersect? (
5. Fill in the lengths of the segments in Problem 1. Express each ratio as
a decimal.
G'H'
J'G'
%3D
GH
JG
6. Fill in the lengths of the segments in Problem 2. Express each ratio in
radical form, if necessary, and then as a fraction in lowest terms.
L'M'
M'N'
N'L'
LM
MN
NL
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
Transcribed Image Text:Name Date Class LESSON Dilations 11-1 Practice and Problem Solving: A/B For Problems 1 and 2, apply the dilation D to the polygon with the given vertices. Name the coordinates of the image points, and plot the pre-image and the image. Tell the scale factor. 1. D(x, y) > (1.5х, 1.5у) -4 -2 2 4 G(1, -2), H(1, -4), J(4, –2) -2 G'(L. ), H'(__, _), PL) -4- Scale factor: 1 2. D(x, y) → 2 L(-3, 3), M(3, 6), N(3, –3) -2 4 -2 _), M'(_, ), N'( -4 Scale factor: For Problems 3–6, use your graphs for Problems 1 and 2. 3. If you drew lines GG', HH', and JJ', on the graph for Problem 1, where would the lines intersect? ) This point is called the of 4. If you drew lines LL', MM', and NN' on the graph for Problem 2, where would the lines intersect? ( 5. Fill in the lengths of the segments in Problem 1. Express each ratio as a decimal. G'H' J'G' %3D GH JG 6. Fill in the lengths of the segments in Problem 2. Express each ratio in radical form, if necessary, and then as a fraction in lowest terms. L'M' M'N' N'L' LM MN NL Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
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