12 questions
A rectangle is plotted on the coordinate plane below. Which image shows a 180° rotation about the origin?
Reflection
Rotation
Translation
Dilation
Reflection
Rotation
Translation
Dilation
The graph below represents a function.
Which single transformation could be applied to the graph so that it no longer represents a function?
Rotation of 90 degree clockwise
A.Reflection across x axis
Reflection across y axis
Translation 1 right, and 3 up
Figure JKLM is translated up 3 units and 4 units to the right to create figure J’K’L’M'. What is the measure of angle L' after this transformation?
60 degrees
90 degrees
180 degrees
80 degrees
A geometric transformation is described algebraically as (x, y) ----> (3x, 3y). Which BEST describes this transformation?
A translation 3 units up and 3 units to the right
A translation 3 units down and 3 units to the left
A 180 degree rotation centered at the point (3, 3)
A dilation with scale factor 3 centered at the origin
In the diagram below, Triangle A'B'C' is the result of a transformation of Triangle ABC. Which algebraic representation BEST describes this transformation?
The image of point Q after a dilation of 3 is (12,24). What was the original location of point Q?
(2, 6)
(4, 8)
(3, 6)
(8, 12)
Which line segment will NOT change its position after being reflected over the x-axis?
Trapezoid PQRS is dilated about point P by a scale factor of 2 to form trapezoid P'Q'R'S'. Which statement is NOT true?
QR and Q'R' are parallel.
The length of P'Q' is 2 times the length of PQ.
The measure of angle P' is 2 times the measure of angle P.
The perimeter of PQRS is one half the perimeter of P’Q’R’S.
The diagram shows Quadrilateral PQRS on a coordinate plane. If Quadrilateral P'Q'R'S' is the result of the transformation described by (x, y) ----> (1.5x, 1.5y), what are the coordinates of Point S’?
(-3, 3)
(-6, -4.5)
(7.5, 3)
(4.5, -4.5)
Which set of transformations will map Figure STUVW onto Figure MNPQR?
Reflection across the y-axis, and then reflection across the x-axis
Translation of 12 units down, and then a reflection across the y-axis
90 degree counterclockwise rotation about the origin, and then a reflection across the y-axis.
90 degree counterclockwise rotation about the origin, and then a reflection across the x-axis.