+    White Board    Midterm Review #2!    Play by the rules and follow the directions!
+    What are the new     coordinates if    (4, 3) is translated     8 units left and 4         units up?
+      What type of     transformation    turns a preimage     onto an image?
+     If a point starts in     Quadrant I and is        rotated 270°     clockwise, in what    quadrant would you         ...
+     If a point starts in    Quadrant III and is         rotated 90°    counter-clockwise,     in what quadrant       wou...
+     What type of    transformation      enlarges or       reduces a    preimage to an        image?
+    What makes    a dilation be    a reduction?
+    What makes a    dilation be an    enlargement?
+    In triangle XYZ, point Z       has coordinates of     (24, -7). If the triangle      undergoes a dilation    with a s...
+     If the formula to determine the      coordinates of an image after a                 dilation is:    Preimage x Scal...
+         Preimage coordinates:         A(4, 6) B(-2, 5) C(0, -3)            Image coordinates:      A’(16, 24) B’(-8, 20)...
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Midterm Review: Day 3 - White Board GP - Rotations & Dilations

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  • 22 seconds
  • 35 seconds
  • 35 seconds
  • 35 seconds: Enlargement or reduction? Why?
  • Midterm Review: Day 3 - White Board GP - Rotations & Dilations

    1. 1. + White Board Midterm Review #2! Play by the rules and follow the directions!
    2. 2. + What are the new coordinates if (4, 3) is translated 8 units left and 4 units up?
    3. 3. + What type of transformation turns a preimage onto an image?
    4. 4. + If a point starts in Quadrant I and is rotated 270° clockwise, in what quadrant would you be?
    5. 5. + If a point starts in Quadrant III and is rotated 90° counter-clockwise, in what quadrant would you be?
    6. 6. + What type of transformation enlarges or reduces a preimage to an image?
    7. 7. + What makes a dilation be a reduction?
    8. 8. + What makes a dilation be an enlargement?
    9. 9. + In triangle XYZ, point Z has coordinates of (24, -7). If the triangle undergoes a dilation with a scale factor of ½, what are the coordinates of Z’?
    10. 10. + If the formula to determine the coordinates of an image after a dilation is: Preimage x Scale Factor = Image What is the formula to solve for the scale factor in a dilation?
    11. 11. + Preimage coordinates: A(4, 6) B(-2, 5) C(0, -3) Image coordinates: A’(16, 24) B’(-8, 20) C’(0, -12) Calculate the scale factor of the dilation!

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