共线点问题

GeoGebra 命令及参数

1. Element(questionList, questionListIndex) → questionNum
2. Point({Element[H2:H7, questionNum], Element[I2:I7, questionNum]}) → C
3. Point({Element[F2:F7, questionNum], Element[G2:G7, questionNum]}) → B
4. Point({Element[D2:D7, questionNum], Element[E2:E7, questionNum]}) → A
5. AreCollinear(A, B, C) → areCollinear
6. UnicodeToLetter(10007) → xmark
7. UnicodeToLetter(10003) → cmark
8. LaTeX(("A=" * A)) → labelA
9. LaTeX(("B=" * B)) → labelB
10. LaTeX(("C=" * C)) → labelC
11. Polygon(A, B, (x(A), y(B))) → triangleAB, f, runAB, riseAB
12. Polygon(B, C, (x(B), y(C))) → triangleBC, g, runBC, riseBC
13. LaTeX(runAB) → labelRunAB
14. LaTeX(runBC) → labelRunBC
15. Element(J2:J7, questionNum) → slopeAB
16. Element(K2:K7, questionNum) → slopeBC
17. Element(C2:C7, questionNum) → currentSlope
18. If(currentSlope > 0, positiveSlopeRiseOffset, negativeSlopeRiseOffset) → riseOffset
19. If(currentSlope > 0, positiveSlopeRunOffset, negativeSlopeRunOffset) → runOffset
20. Textfield(textUserSlopeAB) → ansBoxSlopeAB
21. Textfield(textUserSlopeBC) → ansBoxUserSlopeBC
22. LaTeX("m_{BC}=") → labelSlopeBC
23. LaTeX("m_{AB}=") → labelSlopeAB
24. LaTeX("\text{Do the points lie\\on the same line?}") → labelCollinear
25. If(areCollinear, "", " not") → collinearWord
26. LaTeX("\text{\textbf{Question: } Do points \(A, B,\) and \(C\) lie on the same line?\\\textbf{Instructions: } Determine the slope between points \(A\) and \(B\) as well as the slope\\between points \(B\) and \(C\). Then decide if the points lie on the same line.}") → TEXT
27. LaTeX((((("\text{Since \(m_{AB} " * collinearSymbol) * " m_{BC}\), the points do") * collinearWord) * " lie on the same line.}")) → feedback
28. Polygon((-15, -10), (-15, 11), (11, 11), (11, -10)) → viewBox, h, i, j, e
29. If(slopeAB < 0, LaTeX[(-riseAB)], LaTeX[riseAB]) → labelRiseAB
30. If(slopeBC < 0, LaTeX[(-riseBC)], LaTeX[riseBC]) → labelRiseBC