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Mathematics 28 Online
sxdsouls:

Which choices correctly describe reflections in the diagram? Check all that apply. The red triangle A is reflected across the x-axis onto triangle B. The red triangle A is reflected across the y-axis onto triangle D. The blue triangle D is reflected across the x-axis onto triangle C. The blue triangle D is reflected across the line y = x onto triangle B. The green triangle C is reflected across the line y = –x onto triangle A.

sxdsouls:

jhonyy9:

do you know what mean - what is a reflection ?

sxdsouls:

not really,

lilaspie7:

a reflection is a mirror image of itself

jhonyy9:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @lilaspie7 a reflection is a mirror image of itself \(\color{#0cbb34}{\text{End of Quote}}\) correct

lilaspie7:

which triangles map onto each other?

sxdsouls:

D and A right ?.

jhonyy9:

check these choices pls step by step

lilaspie7:

look closely. if you reflect triangle A over the x axis, do you get a mirror image onto triangle B?

sxdsouls:

i think no-?-

lilaspie7:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @sxdsouls i think no-?- \(\color{#0cbb34}{\text{End of Quote}}\) mhm

sxdsouls:

ok--

jhonyy9:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @sxdsouls D and A right ?. \(\color{#0cbb34}{\text{End of Quote}}\) are you sure in this ? just bc. is right yes

jhonyy9:

and again there are reflected triangles

sxdsouls:

Ok got it,- sorta

jhonyy9:

what are again ?

sxdsouls:

D and C ?-

jhonyy9:

yes and again ?

sxdsouls:

C and A-?

jhonyy9:

not really

jhonyy9:

why not can be C and A ?

jhonyy9:

bc if you reflect C on to A so the short leg of A come up but the short leg of C not is up is lateral ok ?

jhonyy9:

so but there is again one

jhonyy9:

@sxdsouls go away is offline

jhonyy9:

@lilaspie7 can you get the next one ?

lilaspie7:

hmm

jhonyy9:

try cross reflection

sxdsouls:

My bad my laptop died.

lilaspie7:

ooo triangle D can be reflected onto triangle B over y = x

jhonyy9:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @sxdsouls My bad my laptop died. \(\color{#0cbb34}{\text{End of Quote}}\) ohh really ? so sorry

jhonyy9:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @lilaspie7 ooo triangle D can be reflected onto triangle B over y = x \(\color{#0cbb34}{\text{End of Quote}}\) exactly - good

jhonyy9:

@sxdsouls questions ?

sxdsouls:

ok- wait im lost- so triangle D can be reflected onto triangle B over y = x is one of my answers right-?

lilaspie7:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @sxdsouls ok- wait im lost- so triangle D can be reflected onto triangle B over y = x is one of my answers right-? \(\color{#0cbb34}{\text{End of Quote}}\) yh

sxdsouls:

ok got it, \(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 why not can be C and A ? \(\color{#0cbb34}{\text{End of Quote}}\) and it looked like a reflection to me

jhonyy9:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 bc if you reflect C on to A so the short leg of A come up but the short leg of C not is up is lateral ok ? \(\color{#0cbb34}{\text{End of Quote}}\) i ve explained it here

sxdsouls:

Ahh got it tysm to both of you,

jhonyy9:

np anytime

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