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natka813 [3]
3 years ago
12

Which vectors represent the reflection of the vector across the x-axis?

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

<3, 7> and [3 7], b and c

Step-by-step explanation:

multiply the vector by the matrix {1 0} (top row) {0 -1} bottom row. So you flip the sign of the -7 and this gives us +7.

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