Coordinate Geometry and Transformations — Test

Question 1

Triangle ABC is shown on the graph. What are the coordinates of the image of point cap b after the triangle is rotated 270 degrees about the origin?

Revolt · Accepted Answer

open paren 4 comma 2 close paren

Question 2

Which rule describes the transformation?

Revolt · Accepted Answer

open paren x comma y close paren rightarrow open paren negative x comma negative y close paren

Question 3

Which statements are true about the reflectional symmetry of a regular heptagon? Choose two correct answers.

Revolt · Accepted Answer

A line of symmetry will connect a vertex and a midpoint of an opposite side.; It has 7-fold symmetry.

Question 4

Trapezoid GHJK was rotated 180 degrees about the origin to determine the location of cap g prime cap h prime cap j prime cap k prime , as shown on the graph. What are the coordinates of pre-image point cap h ?

Revolt · Accepted Answer

open paren 3 comma 2 close paren

Question 5

At which angle will the hexagon rotate so that it maps onto itself?

Revolt · Accepted Answer

180 degrees

Coordinate Geometry and Transformations — Test Answers

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