9-2 - Study Guide and Intervention
Lesson 9-2. Chapter 9. 11. Glencoe Geometry. Study Guide and Intervention. Translations. 9-2. Draw Translations A translation is a transformation that moves
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Chapter 9. 11. Glencoe Geometry. 9-2 Study Guide and Intervention. Translations. Draw Translations A translation is a transformation that moves all points
9-3 - Study Guide and Intervention
Lesson 9-3. Chapter 9. 19. Glencoe Geometry. Study Guide and Intervention. Rotations. 9-3. Draw Rotations A rotation is a transformation that moves every
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2 days ago Study Guide and Intervention Translations of Trigonometric ... factoring answers tessshlo continued glencoe 9 completing the.
9-4 - Study Guide and Intervention
Triangle ABC has vertices A(3 3)
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Translations A translation is a change in the position of a figure either up down
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Chapter 9. 11. Glencoe Algebra 1. 9-2 Study Guide and Intervention. Solving Quadratic Equations by Graphing. Solve by Graphing. Quadratic Equation.
3-2 Study Guide and Intervention
In the figure m?9 = 80 and m?5 = 68. Find the measure of each angle. Tell which postulate(s) or theorem(s) you used. 7. ?12.
NAME DATE PERIOD
Lesson 9-4
Chapter 9 25 Glencoe Geometry
Glide Reflections When two transformations are applied to a figure, one after another, the total transformation is a composition of transformations. A glide reflection is a translation followed by a reflection in a line parallel to the translati on vector. Notice that the composition of isometries is another isometry. Triangle ABC has vertices A(3, 3), B(4, -2) and C(-1, -3). Graph ABC and its image after a translation along2, -1? and a reflection in the
x -axis.Step 3
Graph ABC and its image A B CExercises
Triangle XYZ has vertices X(6, 5), Y(7, -4) and Z(5, -5). Graph ?XYZ and its image after the indicated glide reflection.Study Guide and InterventionCompositions of Transformations
Example
Step 1
translation along2, -1?
x , y) → (x - 2, y - 1) A (3, 3) → A?(1, 2) B (4, -2) → B?(2, -3) C1, -3) → C?(-3, -4)Step 2 reflection in the x-axis.
x , y) → (x, -y) A (1, 2) → A?(1, -2) B (2, -3) →B?(2, 3)
C3, -4) → C?(-3, 4)y
x1. Translation: along ?1, 2?
Reflection: in
y -axis3. Translation: along ?2, 0?Reflection: in x = y 2. Translation: along ?-3, 4? Reflection: in x-axis
4. Translation: along ?-1, 3? Reflection: in x-axis
y x"""" y x 9-4 -222-2-4-6-8
-104 6 8104 6 8
1046810
xy 222-2-4-6-8
1046 810
4 6 8
1046810y
x Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Compan ies, Inc.NAME DATE PERIOD
Chapter 9 26 Glencoe Geometry
9-4 Compositions of Reflections The composition of two reflections in parallel lines is the same as a translation. The compositions of two reflections in inters ecting lines is the same as a rotation.Copy and reflect figure A in line ? and then line
m. Then describe a single transformation that maps A onto A Step 1 Reflect A in line ℓ. Step 2 Reflect A? in line m. m m m The compositions of two parallel lines is the same as a translation.Exercises
Copy and reflect figure
P in line a and then line b . Then describe a single transformation that maps P onto P 1. a b 2. a b50°
3. a b 4. ab125°
Study Guide and Intervention (continued)
Composition of Transformations
Example
rotation 180°rotation 100°
translation rotation 250quotesdbs_dbs21.pdfusesText_27[PDF] 9 3 study guide and intervention circles
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