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- 1. Multiple Choice
Dilations have which operation?
Addition
Subtraction
Multiplication
Division
- 2. Multiple Choice
Which of the following algebraic rules represents a dilation?
(x, y) --> (3x, 3y)
(x, y) --> (3x, 2y)
(x, y) --> (x - 3, y + 5)
(x, y) --> (0.5x, 0.5y)
(x, y) --> (3x, 0.5y)
- 3. Multiple Choice
Is this an enlargement or a reduction?
Enlargement
Reduction
- 4. Multiple Choice
Is this an enlargement or a reduction?
Enlargement
Reduction
- 5. Multiple Choice
Is this an enlargement or a reduction?
Enlargement
Reduction
- 6. Multiple Choice
Is this an enlargement or a reduction?
Enlargement
Reduction
- 7. Multiple Choice
Which of the following algebraic rules represents a reduction?
(x, y) --> (3x, 3y)
(x, y) --> (0.5x, 0.5y)
(x, y) --> (0.75x, 0.75y)
(x, y) --> (0.999x, 0.999y)
(x, y) --> (5x, 5y)
- 8. Multiple Choice
Which of the following algebraic rules represents an enlargement?
(x, y) --> (3x, 3y)
(x, y) --> (0.5x, 0.5y)
(x, y) --> (0.75x, 0.75y)
(x, y) --> (0.999x, 0.999y)
(x, y) --> (5x, 5y)
- 9. Multiple Choice
Triangle E’F’G’ is a dilation of triangle EFG.
Which rule best represents the dilation shown?
(x, y) --> (2x, 2y)
(x, y) --> (0.5x, 0.5y)
(x, y) --> (x + 2, y - 2)
(x, y) --> (2x, 0.5y)
- 10. Multiple Choice
Quadrilateral WXYZ was dilated with the origin as the center to create quadrilateral W’X’Y’Z’.
Which rule best represents the dilation that was applied to quadrilateral WXYZ to create quadrilateral W’X’Y’Z’?
(x, y) --> (0.4x, 0.4y)
(x, y) --> (x + 3, y + 2)
(x, y) --> (2.5x, 2.5y)
(x, y) --> (x - 3, y - 2)
- 11. Multiple Choice
Trapezoid A’B’C’D’ is the dilation of trapezoid ABCD.
Which algebraic representation shows this dilation?
(x, y) --> (2x, 2y)
(x, y) --> (0.5x, 0.5y)
(2x, 2y) --> (x, y)
(x, y) --> (3x, 2y)
- 12. Multiple Choice
Triangle ABC is dilated by a scale factor of one-half to form Triangle A’B’C’ with the origin as a center of dilation.
Which rule represents this dilation?
(x, y) --> (2x, 2y)
(x, y) --> (1/2x, 1/2y)
(2x, 2y) --> (x, y)
(x, y) --> (1/3x, 1/3y)
- 13. Multiple Choice
Triangle A’B’C’ is the dilation of triangle ABC.
Which algebraic representation shows this dilation?
(x, y) --> (2x, 2y)
(x, y) --> (1/3x, 1/3y)
(x, y) --> (3x, 3y)
(x, y) --> (x + 3, y - 3)
- 14. Multiple Choice
Triangle A’B’C’ is the dilation of triangle ABC.
Which algebraic representation shows this dilation?
(x, y) --> (1/2x, 1/2y)
(x, y) --> (2x, 2y)
(x, y) --> (x + 1/2, y)
(x, y) --> (1/2x, y)
- 15. Multiple Choice
Triangle A’B’C’ is the dilation of triangle ABC.
Which algebraic representation shows this dilation?
(x, y) --> (1/2x, 1/2y)
(x, y) --> (2x, 2y)
(x, y) --> (x + 1/2, y)
(x, y) --> (1/2x, y)
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