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Mathematics 14 Online
OpenStudy (anonymous):

The coordinate grid below shows triangle ABC and its image after translation, triangle A'B'C'. Triangles ABC and A prime B prime C prime are shown. A is at negative 6, 10. B is at negative 7, 7. C is at negative 4, 6. A prime is at 2, 7. B prime is at 1, 4. C prime is at 4, 3. Which rule represents the translation seen? (x, y) → (x−8, y+3) (x, y) → (x+8, y−3) (x, y) → (x−3, y+8) (x, y) → (x+3, y−8)

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

A(-6, 10) ---> A'(2, 7) so wats happening here ?

OpenStudy (anonymous):

is that by translation?

OpenStudy (anonymous):

its maybe the first one

ganeshie8 (ganeshie8):

Yes, -6 is becoming 2. -6+? = 2

ganeshie8 (ganeshie8):

its not the first one, -6+8 = 2 so x--> x+8

ganeshie8 (ganeshie8):

similarly find how y is moving

ganeshie8 (ganeshie8):

10 is becoming 7 10-? = 7 10-3 = 7 so y-->y-3

ganeshie8 (ganeshie8):

(x , y) ---> (x+8, y-3)

ganeshie8 (ganeshie8):

see if that makes some sense

OpenStudy (anonymous):

so its the second !

ganeshie8 (ganeshie8):

yup

ganeshie8 (ganeshie8):

translations are just a matter of simple additions/subtractions

OpenStudy (anonymous):

wow you really know your geometry! :D un like me :P

ganeshie8 (ganeshie8):

lol that looks like a compliment ;)

OpenStudy (anonymous):

Basically we need to see what number is added or subtracted from each piece of the original points, to get the final points. We really only need to look at one pair of points and see what happens... for example we could compare A and A'or B and B'.

OpenStudy (anonymous):

But so far what ganeshie said; is absolutely correct!

OpenStudy (anonymous):

thank you! i really appreciate you both helping me :D <3

OpenStudy (anonymous):

No worries [:

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