1.16 Unit Test: Basic Tools and Transformations - Part 1

What is the name of the line of reflection for the pair of figures? Enter your answer in the box. https://static.k12.com/nextgen_media/assets/8078785-NG_GMT_SemA_01_UT_24.png Copy and paste this link to see the figure

Line t

The dashed triangle is the image of the solid triangle. The center of dilation is (−4, −4). What is the scale factor used to create the dilation? Enter your answer as an integer or decimal in the box.

-3

Select from the drop-down menus to correctly complete the sentence. The rule (x, y)→(x+2, y−4) represents a translation 2 units __________ and 4 units __________.

1. Right 2. Down

The coordinates of the vertices of △RST are R(−3, −1), S(−1, −1) , and T(−4, −5) . The coordinates of the vertices of △R′S′T′ are R′(1, −2), S′(1, 0) , and T′(5, −3) What is the sequence of transformations that maps △RST to △R′S′T′? Drag and drop the answers into the boxes to correctly complete the statement

1. rotation of 90° counterclockwise about the origin 2. translation 1 unit up

Luisa draws a regular nonagon and rotates it about its center. Which angle measures can Luisa rotate the regular nonagon through to map it onto itself? Select each correct answer.

40° 80° 120° 160°

What is the measure of an exterior angle of a regular 7-sided polygon? Enter your answer as a decimal in the box. Round to the nearest tenth of a degree.

51.4

Select Translation, Reflection, or Rotation to identify the single transformation that transforms ∆PQR to ∆P'Q'R'

Reflection Rotation Rotation Translation

Graph the image of the given triangle, translated 4 units to the right and 5 units down. Select the Polygon tool. Then, click the points of the triangle vertices to create the triangle by connecting the sides.

file:///C:/Users/ALEXA/Downloads/Graph.pdf Copy and paste link to see picture of the answer. (3, -2) (6, -6) (-1, -8)

Graph the image of the given triangle after the transformation that has the rule (x, y)→(−x, −y). Select the Polygon tool. Then, click the points of the triangle vertices to create the triangle by connecting the sides.

https://us-static.z-dn.net/files/d28/478253bfb98088e033ba0f427adf0ac3.jpg Copy and paste link to see picture of the answer (-7,-4) (2,-5) (-6,-7)

Solve for x. Enter your answer in the box. An irregular hexagon. The angles of the hexagon are x degrees, 108 degrees, 113 degrees, 132 degrees, 75 degrees and 160 degrees

x=132

​Trapezoid W′X′Y′Z′​ is the image of trapezoid WXYZ under a dilation through point C. What scale factor was used in the dilation?

​3/4

What is the correct classification for each given angle? Drag and drop the answer into the box to match each angle. ∠NPL ∠JPL ∠NPK

∠NPL= straight ∠JPL= obtuse ∠NPK= right