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Gnom [1K]
3 years ago
9

The vertices of triangle ABC are A(−5, 1), B(−2.5, 7), and C(0, 1). Find the new coordinates of the vertices after the given tra

nslation. (x, y) → (x + 3, y − 1) A) A(−2, 0), B(0.5, 6), C(3, 0) B) A(−2, 0), B(0.5, 6), C(0, 3) C) A(−8, 2), B(5.5, 6), C(−3, 2) D) A(2, 0), B(−0.5, 6), C(−3, 0)
Mathematics
2 answers:
Nitella [24]3 years ago
6 0

Answer: A'(-2, 0), B'(0.5, 6), C'(3, 0)

Step-by-step explanation:

Given : The vertices of triangle ABC are A(−5, 1), B(−2.5, 7), and C(0, 1).

The rule of translation:

(x,y)\rightarrow\ (x+3,\ y-1)

Then , the new coordinates of the image will be :-

A(-5,1)\rightarrow\ A'(-5+3,\ 1-1)=A'(-2,\ 0)

B(-2.5, 7)\rightarrow\ B'(-2.5+3,\ 7-1)=B'(0.5,\ 6)

C(0, 1)\rightarrow\ C'(0+3,\ 1-1)=C'(-3,\ 0)

Hence, the new coordinates of the vertices after the given translation. :

A'(-2, 0), B'(0.5, 6), C'(3, 0)

Tcecarenko [31]3 years ago
3 0

Hello from MrBillDoesMath!

Answer:

Choice A

Discussion:

A = (-5,1)                   --- under translation => (-5 + 3, 1-1) = (-2,0)

B = (-2.5, 7)             --- under translation =>  (-2.5 + 3, 7 - 1) = (.5, 6)

C =   (0,1)                  --- under translation =>  (0+3, 1-1) = ( 3,0)


This is Choice A


Thank you,

MrB

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