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The coordinate grid below shows triangle ABC and its image after translation, triangle A'B'C':

10
A
B
0
B
c
Which of the following completes the rule for this translation, (x, y) - (x + 8,_.)? (5 points)
Oy-8
Oy-3
O y + 8
O y + 3

User Yiddy
by
7.7k points

2 Answers

3 votes

Answer:B.y-3

Explanation:

User Gregh
by
8.8k points
3 votes

Complete Question:

The coordinate grid below shows triangle ABC and its image after translation, triangle A'B'C': Triangles ABC and A' B' C' are shown.


A = (-6, 10)


B = (-7, 7).


C = (-4, 6).


A' = (2, 7).


B' = (1, 4).


C' = (4, 3).

Which of the following completes the rule for this translation,

(x, y) → (x + 8, ___)?

Answer:

y - 3

Explanation:

Given

See Complete Question

Required

Complete the rule of translation

Taking A and A' as a point of reference


A = (-6, 10) and
A' = (2, 7).

By comparing the x coordinates of A and A'


-6 + k = 2

Make k the subject


k = 2 + 6


k = 8

So, the x coordinate is translated by x + 8

Similarly,

By comparing the y coordinates of A and A'


10 + k = 7

Make k the subject


k= 7 - 10


k = -3

So, the y coordinate is translated by y - 3

Hence, the complete translation is: (x + 8, y - 3)

User NeilDurant
by
7.4k points

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