Geometric Transformations — Test

Question 1

What are the coordinates of the image of vertex cap f after a reflection across the line y is equal to negative x ?

Revolt · Accepted Answer

open paren 3 comma negative 1 close paren

Question 2

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

Revolt · Accepted Answer

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

Question 3

Which transformation maps the pre-image to the image?

Revolt · Accepted Answer

dilation

Question 4

Square RSTU is translated to form cap r prime cap s prime cap t prime cap u prime , which has vertices cap r prime times open paren negative 8 comma 1 close paren , cap s prime times open paren negative 4 comma 1 close paren , cap t prime times open paren negative 4 comma negative 3 close paren , and cap u prime times open paren negative 8 comma negative 3 close paren If point cap s has coordinates of open paren 3 comma negative 5 close paren , which point lies on a side of the pre-image, square RSTU ?

Revolt · Accepted Answer

open paren negative 1 comma negative 6 close paren

Question 5

How many lines of reflectional symmetry does the trapezoid have?

Revolt · Accepted Answer

1

Geometric Transformations — Test Answers

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