Symmetry
Vocab Words
Rules
Transformation Questions
100
Does a bumble bee have a rotational symmetry?
No, the bumble bee does not have a rotational symmetry.
100
Describe in words the translation for this notation: (x,y) --> (x + 8, y + 4)
What is a translation of 8 units to the right and 4 units up?
100
The rule for this transformation is (-x, y).
What is a reflection over the y axis?
100
If a figure has coordinates S (-4, -2), T (-3, 1) and U (-2, -2), what would the new coordinates be if it was dilated by 3
What is S’ (-12, -6), T’ (-9, 3), and U’ (-6, -6)?
200
What is the order of rotational symmetry of a regular pentagon
5.
200
What is the original image called?
Preimage
200
The rule for this transformation is (-y, x).
What is a rotation 90 degrees CC/270 degrees clockwise?
200
Triangle HIJ had coordinates H (1, -1), I (1, -3) and J (4, -3). It was translated to a new position with coordinates H’ (-2, 3), I’ (-2, 1) and J’ (1, 1). What is the rule that was used to translate the figure
What is 3 units to the left and 4 units up?
300
Does L have a Line symmetry?
No, L does not have a line Symmetry.
300
What is the word for moving a shape without changing its size, shape, or orientation?
translation
300
Which transformations have the rule (-x, y).
What is rotation 180 degrees or reflection across the origin?
300
If a figure has coordinates A (-6, -12), B (-4, 4) and C (-6, -10), what would the new coordinates be if the figure was dilated by 1/2
What is A’ (-3, -6), B’ (-2, 2), and C’ (-3, -5)?
400
Does the letter U have a Line Symmetry?
Yes, U does have a Line Symmetry.
400
What is the scaling factor if point A(-2, 3) dilates to point A'(-1, 1.5)?
k = .5 or 1/2
400
The rule for this transformation is (x+a, y+b).
What is a translation?
400
Triangle HIJ had coordinates H (3, -2), I (4, -3) and J (6, 3). It was reflected to a new position with coordinates H’ (3, 2), I’ (4, 3) and J’ (6, -3). What is the rule that was used to reflect the figure
What is a reflection across the x-axis?
500
Which image(s) have BOTH reflection symmetry (line symmetry) AND rotational symmetry? (Assume all triangles you see are equilateral & quadrilaterals are squares.)
A, B, C, D, E, G & H
500
this determines how many times larger or smaller the dilated image will be
What is scale factor
500
The rule for this transformation is (rx, ry).
What is a dilation?
500
If a figure has coordinates E (2, -4), F (-1, 3) and G (2, -2), what would the new coordinates be if it was rotated 90⁰ clockwise around the origin
What is E’ (-4, -2), F’ (3, 1), and G’ (-2, -2)?