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# Simple translation vector question watch

2. Book answers are 9, 5, 1, 13, 15, 3.5
3. (Original post by chilli17)
Book answers are 9, 5, 1, 13, 15, 3.5
How about you have a go, show us what your work, then explain why you're sure the book's answers are wrong?

4. Don't you just add the vector numbers on to x, y coordinates.?
5. (Original post by chilli17)

Don't you just add the vector numbers on to x, y coordinates.?
No.

For no. 3 for example, the translation vector is [2,0] which means

Plugging then gives
6. OK getting there correct answers now

Using the formula y - s = f(x - t) [t/s]

Is there a YouTube video with this type of question am home studying
7. (Original post by chilli17)
OK getting there correct answers now

Using the formula y - s = f(x - t) [t/s]

Is there a YouTube video with this type of question am home studying
A bunch of them, but here's one I randomly plucked out:

8. Next question I get wrong answer to part 3

9. (Original post by chilli17)
Next question I get wrong answer to part 3
That means 3x gets mapped onto since from that translation.

Now since , you can easily find b if it's not obvious from inspection.

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