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Mathematics 20 Online
OpenStudy (anonymous):

Can someone help me with Connections , Geometry B unit 3 Lesson 7: Transformations Unit Review portfolio assignment? I'm not understanding what to do. please ......

OpenStudy (anonymous):

the Frieze patterns portfolio Assignment please

OpenStudy (anonymous):

I think I have this one. Let me look.

OpenStudy (anonymous):

Please I would highly appreciate it Thank you @ejune420

OpenStudy (anonymous):

Lesson 7 isn't showing up in my grade book for some reason, but i have lesson 8 the unit test.

OpenStudy (anonymous):

1. Which of these transformations are isometries? (I) parallelogram EFGH parallelogram XWVU (II) hexagon CDEFGH hexagon YXWVUT (III) triangle EFG triangle VWU (1 point) (0 pts) I only. (0 pts) II and III only (0 pts) I and III only (1 pt) I, II, and III 1 /1 point 2. What image is the translation of ABC given by the translation rule (x, y) (x – 2, y –2)? (1 point) (0 pts) (0 pts) (0 pts) (1 pt) 1 /1 point 3. Use a translation rule to describe the translation that is 6 units to the left and 5 units up. (1 point) (0 pts) (x, y) (x + 6, y – 5) (0 pts) (x, y) (x – 6, y –5) (0 pts) (x, y) (x + 6, y + 5) (1 pt) (x, y) (x – 6, y + 5) 1 /1 point 4. Write a rule to describe the transformation that is a reflection across the y-axis. (1 point) (0 pts) (x, y) ® (x, –y) (1 pt) (x, y) ® (–x, y) (0 pts) (x, y) ® (–x, –y) (0 pts) (x, y) ® (y, x) 1 /1 point 5. The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the x-axis. (1 point) (1 pt) P'(–4, –1), Q'(–2, 8), R' (8, 1) (0 pts) P'(4, –1), Q'(2, 8), R'(–8, 1) (0 pts) P'(4, 1), Q'(2, 8), R'(–8, –1) (0 pts) P'(–4, 1), Q'(–2, –8), R'(8, –1) 1 /1 point 6. Which graph shows a triangle and its reflection image in the x-axis? (1 point) (0 pts) (0 pts) (0 pts) (1 pt) 1 /1 point 7. The hexagon GIKMPR and FJN are regular. The dashed line segments form 30° angles. Find the image of after a rotation of 180° about point O. (1 point) (0 pts) (0 pts) (1 pt) (0 pts) 1 /1 point 8. The hexagon GIKMPR and FJN are regular. The dashed line segments form 30° angles. Find the angle of rotation about O that maps to . (1 point) (1 pt) 240° (0 pts) 210° (0 pts) 120° (0 pts) 270° 0 /1 point Please review Finding an Angle of Rotation on page 561 in your online textbook. 9. How many lines of symmetry does the figure have? (1 point) (1 pt) 3 (0 pts) 2 (0 pts) 1 (0 pts) 0 1 /1 point 10. Which letter has rotational symmetry? (1 point) (0 pts) Q (1 pt) H (0 pts) G (0 pts) A 1 /1 point 11. Which image has reflectional, rotational, and point symmetry? (1 point) (0 pts) (0 pts) (0 pts) (1 pt) 1 /1 point 12. Tell whether the three-dimensional object has rotational symmetry about a line and/or reflectional symmetry in a plane. (1 point) (1 pt) reflectional symmetry (0 pts) reflectional symmetry and rotational symmetry (0 pts) rotational symmetry (0 pts) no symmetry 1 /1 point 13. P P'(–8, –3) for the glide reflection where the translation is (x, y) (x –2, y –5) and the line of reflection is y = –x. Find the coordinates of P. (1 point) (0 pts) (1, 3) (0 pts) (–1, –3) (0 pts) (–5, –13) (1 pt) (5, 13) 1 /1 point thats lesson 8

OpenStudy (anonymous):

ohhh lesson 7 was dropped, atleast for my class. check and make sure it isn;t for you too

OpenStudy (anonymous):

aww thank you though I just don't understand thee portfolio assignment ): Thank you for thee lesson 8 <3

OpenStudy (anonymous):

You're welcome! :)

OpenStudy (anonymous):

message me if you have specific questions and i can try to help, im in the same class.

OpenStudy (anonymous):

Okay im going to message you (:

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