Lesson G8
G8 Combinations of rotations, reflections and translations Quiz: AQA Maths, Unit 4
20 questions
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Lesson G8, Combinations of rotations, reflections and translations: 20 multiple choice questions for the AQA GCSE Maths (8300), Unit 4: Geometry and measures, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
(H) What single transformation do two reflections in parallel mirror lines produce?
- A reflection
- A translation
- A rotation
- An enlargement
-
(H) What do two reflections in intersecting mirror lines at an angle θ produce?
- A rotation about the intersection point through θ
- A reflection in a third line bisecting the angle θ
- A rotation about the intersection point through 2θ
- A translation through a distance of twice the angle θ
-
(H) What single transformation is a translation followed by another translation?
- A rotation
- A reflection
- A single translation
- A glide reflection
-
(H) Which properties are invariant under any combination of rotations, reflections and translations?
- Position on the page
- Position of the centre of rotation
- Orientation of the shape
- Lengths and angles
-
(H) What is the effect of a reflection followed by a rotation on a shape?
- Only the position changes, and the shape stays exactly the same
- Shape and size are unchanged, but position and orientation may change
- The shape changes size, but the position stays the same
- The area is doubled, but the shape and orientation stay unchanged
-
(H) A column vector (3, −2) is applied to the point (1, 4). What is the image?
- (−2, 6)
- (3, 2)
- (4, 2)
- (4, −6)
-
(H) A column vector (−5, 1) translates the point (2, 2). What is its image?
- (7, 1)
- (−7, 3)
- (−3, 1)
- (−3, 3)
-
(H) A reflection in the x-axis followed by a reflection in the y-axis is equivalent to which single transformation?
- A reflection in the line y = -x, flipping the axes
- A rotation of 90 degrees clockwise about the origin
- A reflection in the line y = 0, which is the x-axis
- A rotation of 180 degrees about the origin
-
(H) Two translations, by (2, 3) and then by (−1, 4), are equivalent to which single translation?
- (1, −7)
- (1, 7)
- (3, −1)
- (−1, 1)
-
(H) A point (2, 0) is rotated 90 degrees anticlockwise about the origin and then translated by (1, 0). What is the image?
- (1, −2)
- (−1, 2)
- (2, 1)
- (1, 2)
-
(H) Which combination of transformations gives a glide reflection?
- A reflection followed by a translation parallel to the mirror line
- Two translations in opposite directions, each by the same distance
- Two rotations about the same point with different angles
- A reflection followed by a translation perpendicular to the mirror line
-
(H) Which features does a reflection leave unchanged?
- The positions of all points
- The orientation of letters
- The clockwise order of vertices
- Lengths, angles and areas
-
(H) Triangle reflected in the line x = 2. The point (5, 1) maps to where?
- (−1, 1)
- (9, 1)
- (−1, −1)
- (5, −1)
-
(H) The point (3, 4) is reflected in the line y = x and then translated by (2, 0). What is the image?
- (5, 4)
- (4, 5)
- (6, 3)
- (2, 3)
-
(H) A shape undergoes a 360 degree rotation about any point. What is the result?
- A rotation of 90 degrees
- The original shape, unchanged
- A reflection in the origin
- A translation of 180 degrees
-
(H) A translation by a column vector moves each point of a shape. What is true about the displacement?
- Every point moves the same distance in the same direction
- Points rotate about a centre by the same angle each time
- Points double their distances from the origin in a fixed direction
- Points move by different distances, depending on their position
-
(H) The point (1, 1) is reflected in the x-axis and then translated by (0, 3). What is the image?
- (1, −4)
- (−1, 4)
- (1, 2)
- (1, 4)
-
(H) What is the order of rotational symmetry of a regular hexagon?
- 2
- 3
- 12
- 6
-
(H) A point (3, 0) is rotated 90 degrees anticlockwise and then reflected in the x-axis. What is the image?
- (0, −3)
- (−3, 0)
- (3, 0)
- (0, 3)
-
(H) Which combination of transformations always produces a congruent image?
- An enlargement followed by a translation of the same shape
- Two enlargements in a row with the same centre
- Any combination including an enlargement by a scale factor
- Any combination of reflections, rotations and translations
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