3 years ago

Can somebody explain how to do this quickly. Already know how to solve it but it takes me a long time

Mathematics

1 answer:

steposvetlana [31]3 years ago

7 0

Answer:

n = 8

Step-by-step explanation:

Initial point: (1, -2)

Final point: y = x

Blue light translation:

4 units right, 5 units down
Number of translations = n

Red light translation:

1 unit left, 4 units up
Number of translations = 15

Final point is going to be:

x = 1 + 4n - 15*1 = 4n - 14
y = -2 - 5n + 15*4 = -5n + 58

Since the coordinates of final point are same, we have:

4n - 14 = -5n + 58
4n + 5n = 58 + 14
9n = 72
n = 72/9
n = 8

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