1) Which of the following rules would best represent the transformation that occurred? a) translation; (x, y) → (x - 3, y - 7)  b) reflection over the y axis; (x, y) → (-x, y) c) 90° clockwise rotation; (x, y) → (y, -x) d) translation; (x, y) →(x - 7, y - 3) 2) Identify the following transformation. a) reflection over the y axis b) translation c) 90° rotation d) 180° rotation 3) Define prime notation. a) the original image of a transformation b) symbol used to denote a transformation c) the transformed image d) a type of transformation 4) Which of the following rules would best represent the transformation that occurred? a) translation; (x, y) → (x - 4, y) b) reflection over the x axis; (x, y) → (x, -y) c) reflection over the y axis; (x, y) → (-x, y) d) 180° rotation; (x, y) → (-x, -y) 5) What is the algebraic rule for a 180° rotation? a) (x, y) → (-x, -y) b) (x, y) → (x, y) c) (x, y) → (y, -x) d) (x, y) → (-y, x) 6) Which of the following rules would best represent the transformation that occurred? a) (x, y) → (y, -x) b) (x, y) → (-y, x) c) (x, y) → (-y, -x) d) (x, y) → (-x, -y) 7) Translations, reflections, and rotations all preserve congruence, which means that the figure remains the same size and same shape. a) false b) true 8) What is the algebraic rule for a reflection across the x axis? a) (x, y) → (-y, x) b) (x, y) → (x + 3, y - 2) c) (x, y) → (-x, y) d) (x, y) → (x, -y) 9) What type of transformation occurred? a) translation b) reflection across the x axis c) 90° rotation d) reflection across the y axis 10) Given the coordinate (2, 5), what would be the new coordinate if translated using the rule (x - 1, y - 4)? a) (3, 9) b) (1, 1) c) (-2, 4) d) (6, 6)

Transformations Practice_Dec 1

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Indstillinger

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