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Mathematics 14 Online
OpenStudy (anonymous):

Triangle XYZ has vertices X(0, -1) ,Y(6,-3) and Z(2,-5) . Match each transformation with the vertices that result after the transformation is applied to XYZ. TERMS: REFLECTION ACROSS X dilation by a factor of 3 with origin as center of dilation translation by rule (X-2,Y+5) REFLECTION ACROSS Y DEFINITION: A)X (0, -3) Y (18, -9) Z (6, -15) B)X (0, -1) Y 6, -3) Z ( 2, -5) C)X (0,1) Y (6,3) Z(2,5) D)X(2,4) Y(4,2) Z(0,0)

OpenStudy (anonymous):

who ever answers it will get medals

ganeshie8 (ganeshie8):

reflection across x : (x, y) ---> (x, -y)

OpenStudy (anonymous):

ok

ganeshie8 (ganeshie8):

see how X(0, -1) changes into

OpenStudy (anonymous):

changes into what?

ganeshie8 (ganeshie8):

(0, -1) ---> (0, --1) ----> (0, 1)

OpenStudy (anonymous):

so is b reflection across x

ganeshie8 (ganeshie8):

(0, -1) changes to (0, 1) after reflection across x

OpenStudy (anonymous):

so it is!😞

OpenStudy (anonymous):

im tired please could you help me fast cause this is the last one

ganeshie8 (ganeshie8):

i can understand, but i dont see wat u wrote above

ganeshie8 (ganeshie8):

i see below :-

OpenStudy (anonymous):

is it b for x across

ganeshie8 (ganeshie8):

wat does that mean

OpenStudy (anonymous):

nvm

ganeshie8 (ganeshie8):

its not b, its c

ganeshie8 (ganeshie8):

(0, -1) changes to (0, 1) after reflection across x

ganeshie8 (ganeshie8):

cuz, oly c has X as (0, 1)

OpenStudy (anonymous):

c is acroos x

ganeshie8 (ganeshie8):

thats right

OpenStudy (anonymous):

SO IS b ACROSS Y

ganeshie8 (ganeshie8):

yes B)X (0, -1) Y 6, -3) Z ( \(\color{red}{-}\)2, -5)

ganeshie8 (ganeshie8):

its missing a - sign for 2 though

OpenStudy (anonymous):

SO IS A TRANSLATION THEN

ganeshie8 (ganeshie8):

no your choices have typo

ganeshie8 (ganeshie8):

b is across y

OpenStudy (anonymous):

IK SO THEN IS A DILATION

ganeshie8 (ganeshie8):

correct !

OpenStudy (anonymous):

THANKS BYE

ganeshie8 (ganeshie8):

bye

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