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Mathematics 15 Online
eviant:

PLS HELP!!!! Which glide reflection describes the mapping ABC to DEF? https://dlap.gradpoint.com/Resz/~yUA6AAAAAAwJdwfQzoVQmB.Hk0wUSYQ3BrTFuYiRg75_C/7234256,14D/Assets/questions/test/geometry/geocomp/mc119-1.jpg

eviant:

(x, y) (x – 4, y – 1) and reflected across x = 0 (x, y) (x – 1, y + 3) and reflected across x = −3 (x, y) (x – 1, y + 3) and reflected across y = −3 (x, y) (x – 4, y – 1) and reflected across y = 0

eviant:

@Vocaloid

Vocaloid:

hm. it may be helpful to pick two corresponding points (let's say F and C) and see which transformations map point F to point C

eviant:

the 1st one?

Vocaloid:

hold on just checking my calculations again

Vocaloid:

|dw:1527534949059:dw|

Vocaloid:

|dw:1527534954630:dw|

Vocaloid:

hm, not quite, reflecting across x = 0 would put point C over there

eviant:

how about the last one?

Vocaloid:

good, that should do it

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