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Question
If u = `(x - "a")/"c"` and v = `(y - "b")/"d"`, then bxy = ______
Solution
`"c"/"d"` buv
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| x | y | `x - barx` | `y - bary` | `(x - barx)(y - bary)` | `(x - barx)^2` | `(y - bary)^2` |
| 1 | 5 | – 2 | – 4 | 8 | 4 | 16 |
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