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Mathematics 13 Online
OpenStudy (anonymous):

Graph a triangle (LMN) and reflect it over the line y=x to create triangle L'M'N'. Describe the transformation using words. Draw a line segment from point L to the reflecting line, and then draw a line segment from point L' to the reflecting line. What do you notice about the two line segments you drew? Do you think you would see the same characteristic if you drew the line segment connecting M with the reflecting line and then M' with the reflecting line? How do you know?

OpenStudy (anonymous):

@secret-ninja

OpenStudy (anonymous):

@hartnn @triciaal

OpenStudy (anonymous):

@Vocaloid

Vocaloid (vocaloid):

have you tried drawing it?

OpenStudy (anonymous):

no, I'm confused on where to plot it

Vocaloid (vocaloid):

it doesn't matter, it just says to draw any triangle LMN

OpenStudy (anonymous):

okay, do i just pick any numbers and use those?

Vocaloid (vocaloid):

yes

OpenStudy (anonymous):

Okay, but what does this mean "Describe the transformation using words"

Vocaloid (vocaloid):

describe what happens to the triangle after you reflect it across y= x

OpenStudy (anonymous):

So I must draw a graph and plot it out?

OpenStudy (anonymous):

@hartnn Help!

Vocaloid (vocaloid):

yes.

Vocaloid (vocaloid):

pick three points, draw a triangle

OpenStudy (anonymous):

Okay

OpenStudy (anonymous):

L = (1, 3) M = (1, 1) N = (4, 2) I picked those

Vocaloid (vocaloid):

good, now plot them on a graph

OpenStudy (anonymous):

Alright

OpenStudy (anonymous):

now what

Vocaloid (vocaloid):

reflect the points across the line y = x

OpenStudy (anonymous):

okay I think i'm understanding it

Vocaloid (vocaloid):

hint: to reflect the point (x,y) across the y-axis, switch the x and y-coordinates example: (5,4) becomes (4,5)

Vocaloid (vocaloid):

so, if L = (1,3), L' = ?

OpenStudy (anonymous):

would there be any negitives? (3.1)

Vocaloid (vocaloid):

nope, that's right

OpenStudy (anonymous):

And do that will all three of them?

Vocaloid (vocaloid):

so L' is (3,1). draw this point and label it L' (don't forget the dash)

Vocaloid (vocaloid):

yes, do all three

OpenStudy (anonymous):

Which part of the graph would it go on? l

OpenStudy (anonymous):

Would it stay in the same square?

Vocaloid (vocaloid):

yes

OpenStudy (anonymous):

Oh alright

Vocaloid (vocaloid):

@Nnesha need to run for a bit

OpenStudy (anonymous):

they would over lap?

OpenStudy (anonymous):

I plotted it and they over lap, is that okay?

OpenStudy (anonymous):

@Koikkara

OpenStudy (anonymous):

@hartnn

OpenStudy (anonymous):

@rishavraj

OpenStudy (koikkara):

Would you mind attaching the graph were you plotted?

OpenStudy (koikkara):

**where you plotted ?

OpenStudy (anonymous):

I drew it on paper. I'm new to open study and don't know how to draw it on here.

OpenStudy (koikkara):

@scary_bunny76 well, try this link: http://openstudy.com/study#/updates/548f3e4ee4b04ed7d6b5ae1b Hope it helps.

Nnesha (nnesha):

|dw:1443987596729:dw| draw points on this graph

Nnesha (nnesha):

|dw:1443987691832:dw| that's LMN now draw point L'M'N' just like voc told u to do it reflect across y =x

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