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Transformations - Pre-Test
供稿人: DeNu
  • 1. Which figure shows a reflection?
A) Figure C
B) Figure A
C) Figure D
D) Figure B
  • 2. Daniel drew the two figures on the coordinate plane. He translated figure A to figure B. What notation displays this starting a point (3,0)?
A) (x-5, y)
B) (x, y-5)
C) (x+5, y)
D) (x, y+5)
  • 3. Which figure shows a rotation?
A) Figure A
B) Figure C
C) Figure D
D) Figure B
  • 4. What is the scale factor of this dilation?
A) 6
B) 4
C) 3
D) 2
  • 5. These two figures
    Figure ABCD can be proved to be congruent to FGHI by:
A) Reflecting figure ABCD over the x-axis and then translating it 5 units right
B) Reflecting figure ABCD over the x-axis and then reflecting it over the y-axis
C) Rotating figure ABCD 180 ° counter-clockwise and then reflecting it over the x-axis
D) Rotating figure ABCD 90 ° counter-clockwise.
  • 6. Triangle ABC is proved to be congruent to DEF by:
A) Rotating triangle ABC 180°
B) Rotating triangle ABC 90° and then reflecting it over the y-axis
C) Relecting triangle ABC over the y-axis and then translating down 2 units
D) Relfecting triangle ABC over the x-axis and then translating down 5 units
  • 7. A square is located at points A(1,1) B(1,4) C(4,1) D(4,4) what would the
    coordinates of A’B’C’D’ be if the square was dilated by 3?

    Be sure to use graph paper to find this answer if needed!
A) A’(3,3) B’(1,4) C’(4,1) D’(4,4)
B) A’(3,3) B’(3,12) C’(12,3) D’(12,12)
C) A’(1/3,1/3) B’(1/3,4/3) C’(4/3,1/3) D’(4/3,4/3)
D) A’(1,1) B’(1,4) C’(4,1) D’(4,4)
  • 8. If you rotate the figure 180 degrees clockwise about the origin, what will be the coordinates of the point A'?
A) (4, -5)
B) (-4, 5)
C) (-4, -5)
D) (-5, -4)
  • 9. If you draw a translation of pentagon ABCDE 6 units down, what are the coordinates for point A’?
A) (2, -1)
B) (-10, -1)
C) (-4, 5)
D) (-4, -7)
  • 10. If you reflect the triangle in the y-axis, what will be the new coordinates of the vertices of the triangle?
A) (−1,1),(−4,4),(−5,1)
B) (−1,1),(4,4),(−5,1)
C) (1,1),(4,4),(5,1)
D) (−1,1),(−4,4),(5,1)
  • 11. Triangle PQR is similar to triangle XYZ. What is the measure of k?
A) 25
B) 30
C) 36
D) 60
  • 12. In the diagram, what explanation gives the best reason to prove that the figures are
    similar?
A) The figures are similar because they maintain the same shape and has been dilated by the scale factor of 2.
B) The figures are congruent because they have the same shape and same angles.
C) The figures are similar because they maintain the same shape and have a scale factor of 3
D) The figures are similar because they look like one another.
  • 13. Figure JKLM is similar to figure ONDE by the following series of transformations:
A) Translate right 9 units and then dilate by a scale factor of 2.
B) Rotate 90° clockwise and then reflect over the y-axis and then dilate by a scale factor of 2.
C) Reflect JKLM over the y-axis and then dilate by a scale factor of 2.
D) Rotate 90° counter-clockwise and then dilate by a scale factor of 2.
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