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Transformations

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    Transformations
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  • What kind of transformation is this?
    Reflection
  •  20
  • What kind of transformation is this?
    Rotation
  •  20
  • How did the triangle move?
    Rotated 90 degrees clockwise
  •  20
  • What is a rotation?
    When a figure turns or rotates.
  •  15
  • How can I get triangle A to triangle C in two movements?
    2 counterclockwise rotations by 90 degrees
  •  20
  • What is a translation?
    When you slide a figure
  •  10
  • What kind of transformation is this?
    A rotation
  •  15
  • What kind of transformation is this? How did it go through the transformation?
    Reflection over the x-axis.
  •  25
  • How did the blue triangle translate to the red triangle?
    5 units right, 3 units down.
  •  15
  • What is a reflection?
    When you flip an image
  •  10
  • How can I move from triangle C to A in just 1 move?
    A reflection
  •  15
  • What two directions can you rotate?
    Clockwise and Counterclockwise
  •  10
  • How can I get from triangle PMT to triangle XYZ?
    Reflect over x-axis then translate 10 units to the left.
  •  20
  • If we reflected this over the x-axis, what would be the new coordinates of point b be?
    (3,-2)
  •  25
  • What would to coordinates of the point be after a translation left 6 units and down 4?
    (-5,0)
  •  25
  • What transformation do we use to go from the orange triangle to triangle s?
    A reflection over the y-axis.
  •  15
  • The points (-4, 8) is dilated by a scale factor of 5. What is the new point?
    (-20, 40)
  •  15
  • The purple triangle was dilated and resulted in the green triangle. What is the scale factor?
    2
  •  20
  • The point (-5, 6) is rotated 90˚ clockwise about the origin. What are the coordinates of the new point?
    (6,5)
  •  15
  • The point (-6, 8) is dilated by a scale factor of 2/3. What are the coordinates of the new point?
    (-4, 16/3)
  •  20
  • Which transformation results in a similar figure (not a congruent one)?
    translation
    rotation
    reflection
    dilation
  •  15
  • A triangle is dilated with a scale factor of "x". If one of the vertices was at (-7, -2), which ordered pair represents the vertex after the dilation?
    (-7 - x, -2 - x)
    (-7x, -2x)
    (-7 + x, -2 + x)
    (-7/x, -2/x)
  •  20
  • What 2 transformation occurred to move the blue triangle to the brown triangle?
    Reflection (over the x-axis), Translation (5 left)
  •  25
  • Are the blue and the pink triangle similar or congruent?
    congruent
  •  15
  • Choose the correct answer
    D
  •  25
  • When you reflect across the y-axis, which coordinate do you not change: x or y?
    y
  •  15
  • A figure is translated 8 units left and 2 units up. Write the rule.
    (x - 8, y + 2)
  •  20
  • Which rule was used to change ∆ABC to ∆A'B'C'?
    (x+3, y+3)
    (x-3, y-3)
    (3x, 3y)
    (1/3 x, 1/3 y)
  •  20
  • If the scale factor is greater than 1, will the new figure be bigger or smaller than the original?
    bigger
  •  20
  • A square is rotated 180˚ about the origin. If one of the vertices was at (4,5), where will the new vertex be after the rotation?
    (-4,-5)
  •  15