[PDF] 9-1 Study Guide and Intervention - Georgetown ISD PDF Rlection%20Notes%20Key.pdf

Draw Reflections A reflection is a flip of a figure in a line called the line of reflection Each point of the preimage and its corresponding point on the image are the

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Glide Reflections When two transformations are applied to a figure, one after another, the total transformation is a composition of transformations A glide

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9-1 Study Guide and Intervention (continued) Reflections rraw Hill Draw Reflections The transformation called a reflection is a flip of a figure in a point, a line,

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20 mai 2015 · Example 1 Example 2 Chapter 9 6 Glencoe Geometry 3-1 9-1 Study Guide and Intervention Reflections NAME

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Reflections Draw Reflect ons The transformation called a reflection is a flip of a figure in 9-1 Study Guide and Intervention (continued) Explain your answer

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Answer Key Study Guide Integration: Geometry Translations To translate a coordinates of the vertices after a reflection over the x-axis Graph the reflection

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Draw the reflected image for each reflection described below a reflection of trapezoid ABCD in the line n b reflection of 9-1 Study Guide and Intervention

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5 déc 2018 · These worksheets are the same ones found in the Chapter Resource Masters for Glencoe Geometry The answers to these worksheets are

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Study Guide and Intervention Workbook Full-size answer keys are provided for Draw Reflections A reflection is a flip of a figure in a line called the line of

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19 mar 2014 · 9-1 Study Guide and Intervention (continued) Reflections Lines and Points of Symmetry "If a figure has a line of symmetry, then it can be

NAME DATE PERIOD

Lesson 9-1

Chapter 9 5 Glencoe GeometryDraw Reflections A reflection is a flip of a figure in a line called the line of

reflection. Each point of the preimage and its corresponding point on the image are the same distance from the line. A reflection maps a point to its image. If the point is on the line of reflection, then the image and preimage are the same point. If t he point does not lie on the line of reflection, the line of reflection is the perpendicular b isector of the segment joining the two points. Construct the image of quadrilateral ABCD under a reflection in line m . Draw a perpendicular from each vertex of the quadrilateral to m . Find vertices A , B", C", and D" that are the same distance from m on the other side of m. The image is A" B" C" D .Exercises Use the figure and given line of reflection. Then draw the reflected ima ge in this line using a ruler. 1. m H' J' K' HJK 2. t P' N' M' LMN O P 3. p R' T' S' QR S T U 4. r " 5. 6.

9-1Study Guide and Intervention

Reflections

Examplem

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Chapter 9 6 Glencoe Geometry

Study Guide and Intervention (continued)9-1

Draw Reflections In The Coordinate Plane Reflections can be performed in the coordinate plane. Each point of the image and its corresponding point on the preimage must be the same distance from the line of reflection.

To reflect a point in the

x -axis, multiply its y -coordinate by 1.

To reflect a point in the

y -axis, multiply its x -coordinate by 1.

To reflect a point in the line

y = x, interchange the x-and y-coordinates. Quadrilateral DEFG has vertices D(-2, 3), E(4, 4), F(3, -2), and G(-3, -1). Find the image under reflection in the x-axis.

To find an image for a reflection in the

x -axis, use the same x -coordinate and multiply the y -coordinate by

1. In symbols,

a , b) → (a, -b). The new coordinates are D"(-2, -3), E"(4, -4), F (3, 2), and G

3, 1). The image is

D " E" F" G".

Exercises

Graph ?FGH and its image in the given line.

1. x = -1 2. y = 1

Graph quadrilateral

ABCD and its image in the given line.

3. y = 0 4. x = 1

Graph each figure and its image under the given reflection.

5. ?DEF with D(-2, -1), E(-1, 3), 6. ABCD with A(1, 4), B(3, 2), C(2, -2),

F (3, -1) in the x-axis D(-3, 1) in the y-axis xy O D" E" F" G" DE F G y x y x xy O F" D" E" FDE xy O D" C" B" A" D CB A

Example

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[PDF] [PDF] 9-1 Study Guide and Intervention - Georgetown ISD

NAME DATE PERIOD

Lesson 9-1

9-1Study Guide and Intervention

Reflections

Examplem

NAME DATE PERIOD

Chapter 9 6 Glencoe Geometry

Study Guide and Intervention (continued)9-1

 To reflect a point in the

 To reflect a point in the

 To reflect a point in the line

To find an image for a reflection in the

1. In symbols,

3, 1). The image is

Exercises

Graph ?FGH and its image in the given line.

1. x = -1 2. y = 1

Graph quadrilateral

3. y = 0 4. x = 1

5. ?DEF with D(-2, -1), E(-1, 3), 6. ABCD with A(1, 4), B(3, 2), C(2, -2),

Example

To reflect a point in the

To reflect a point in the

To reflect a point in the line