Exam (elaborations)
Straight line with perfect solutions 2024
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Distance formula correct answersd = √(x2-x1)²(y2-y1)² Midpoint formula correct answersM = (x1+x2 ÷2) , (y1+y2 ÷2) Gradient formula correct answersm= y2-y1/x2-x1 OR m=tanθ How to test if the points A, B and C are collinear correct answers1) work out mAB 2) work out mBC (or mAC) ...
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