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Determine the gradient of line AC.

Mathematics

ScanSolve AI Answer

Here are the solutions for questions 3.1, 3.2, 3.3, 3.4.1, 3.4.2, and 3.4.3 based on the provided image.

Question 3.1: Determine the gradient of line AC.

Step 1: Find the gradient of line BD.
The equation of line BTD (BD) is given as 2y+x=182y+x=18.
Rearrange this into the form y=mx+cy=mx+c:

2y=−x+182y = -x + 18 y=−12x+9y = -\frac{1}{2}x + 9

The gradient

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