Linear Function Graphing Example

Linear Function Graphing Example
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2015-09-25 23:06
This example demonstrates how to graph the linear function y=4x+3 using GeoGebra, highlighting its intersection with axes and slope characteristics. Core math concepts include linear functions, slope, y-intercept, coordinate system, and function graphing. Construction involves commands/objects like Polygon, Point, Segment, Vector, LaTeX, VerticalText, and TableText as per the summary. Suitable for middle school and above students learning function graphing, linear function properties, and GeoGebra usage.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C, D) → poly1, a, b, c, d
  2. Point(a) → F
  3. Polygon(E, A, F, G) → poly2, e, a_1, f, g
  4. Point(yAxis) → H
  5. Segment(H, I) → h
  6. Point(xAxis) → J
  7. Segment(I, J) → i
  8. Point(yAxis) → K
  9. Point(yAxis) → L
  10. Point(xAxis) → M
  11. Vector(K, M) → v
  12. LaTeX("\text{Determine values that make the equation true.}") → text1_3
  13. LaTeX("\text{Given equation}") → text1_{11}
  14. LaTeX("\text{Substitute \textcolor{#000099}{0} for \textcolor{#000099}{x}.}") → text1_{18}
  15. LaTeX("\text{Simplify.}") → text1_{19}
  16. LaTeX("\text{Given equation}") → text1_{20}
  17. LaTeX("\text{Simplify.}") → text1_{22}
  18. LaTeX("\text{Given equation}") → text1_{23}
  19. LaTeX("\text{Simplify.}") → text1_{34}
  20. LaTeX("\text{Substitute \textcolor{#000099}{10} for \textcolor{#000099}{x}.}") → text1_{26}
  21. LaTeX("\text{Given equation}") → text1_{36}
  22. LaTeX("\text{Simplify.}") → text1_{40}
  23. LaTeX("\text{Organize these values in a table.}") → text1_6
  24. LaTeX("\text{\textcolor{#000099}{x}-values in one column and \textcolor{#000099}{y}-values in the other. }") → text1_{31}
  25. LaTeX("\text{Plot the ordered pairs from the table on a coordinate plane. }") → text1_{32}
  26. LaTeX("\text{Plot these ordered pairs on a coordinate plane. }") → text1_{42}
  27. LaTeX("\text{Label the \textcolor{#000099}{x}-axis “Number of correct questions” and the }") → text1_{43}
  28. LaTeX("\text{Number of correct questions}") → text1_{45}
  29. LaTeX("\text{Draw a line through the points. }") → text1_{46}
  30. LaTeX("\text{through the plotted points. }") → text1_{48}
  31. LaTeX("\text{ start at \textcolor{#000099}{x = 0} and end at \textcolor{#000099}{x = 25}. }") → text1_{51}
  32. LaTeX((("\text{Substitute \textcolor{#000099}{" * x1_1) * "} for \textcolor{#000099}{x} and solve for \textcolor{#000099}{y}. }")) → text1_9
  33. LaTeX((("\text{Substitute \textcolor{#000099}{" * x3_1) * "} for \textcolor{#000099}{x} and solve for \textcolor{#000099}{y}. }")) → text1_{27}
  34. LaTeX((("\text{Substitute \textcolor{#000099}{" * x4_1) * "} for \textcolor{#000099}{x} and solve for \textcolor{#000099}{y}. }")) → text3
  35. Polygon(R, S, T, U) → poly3, r, s, t, u
  36. VerticalText("\text{Score}") → text10
  37. Vector(K, V) → w
  38. LaTeX("\text{The solutions to the linear equation are the infinite set of points on the line. }") → text11_5
  39. Polygon(W, Z, A_1, B_1) → poly4, w_1, z_1, a_2, b_1
  40. LaTeX("\text{x}") → text12
  41. LaTeX("\text{y}") → text12_1
  42. LaTeX((((("\text{\textcolor{#000099}{y =" * c1) * "x + ") * c2) * "}}")) → text1_{13}
  43. LaTeX((((((("\text{\textcolor{#000099}{y = " * c1) * "(") * x1_1) * ") + ") * c2) * "}}")) → text1_{12}
  44. LaTeX((("\text{\textcolor{#000099}{y = " * sol1) * "}}")) → text1_{10}
  45. LaTeX((((("\text{\textcolor{#000099}{y = " * c1) * "x + ") * c2) * "}}")) → text1_{15}
  46. LaTeX((((((("\text{\textcolor{#000099}{y = " * c1) * "(") * x2) * ") + ") * c2) * "}}")) → text1_{16}
  47. LaTeX((("\text{\textcolor{#000099}{y = " * sol2) * "}}")) → text1_{17}
  48. LaTeX((((("\text{\textcolor{#000099}{y =" * c1) * "x + ") * c2) * "}}")) → text1_{14}
  49. LaTeX((((((("\text{\textcolor{#000099}{y = " * c1) * "(") * x3_1) * ") + ") * c2) * "}}")) → text1_{24}
  50. LaTeX((("\text{\textcolor{#000099}{y = " * sol3) * "}}")) → text1_{25}
  51. LaTeX((((("\text{\textcolor{#000099}{y =" * c1) * "x + ") * c2) * "}}")) → text1_{35}
  52. LaTeX((((((("\text{\textcolor{#000099}{y = " * c1) * "(") * x4_1) * ") + ") * c2) * "}}")) → text1_{37}
  53. LaTeX((("\text{\textcolor{#000099}{y = " * so4) * "}}")) → text1_{38}
  54. LaTeX((((("\text{and \textcolor{#000099}{(" * x4_1) * ",") * so4) * ")}. }")) → text1_{41}
  55. LaTeX((("\text{Coefficient of x:" * c1) * "}")) → text5
  56. Segment(PO1, PO4) → j
  57. LaTeX("\text{Substitute \textcolor{#000099}{1} for \textcolor{#000099}{x}.}") → text1_{21}
  58. LaTeX("\text{Substitute \textcolor{#000099}{1} for \textcolor{#000099}{x} and solve for \textcolor{#000099}{y}. }") → text2
  59. LaTeX("\text{Substitute \textcolor{#000099}{25} for \textcolor{#000099}{x}.}") → text1_{39}
  60. LaTeX((("\text{Constant:" * c2) * "}")) → text5_1
  61. TableText({{LaTeX["\mathbf{\;\;\;\;\;x\;\;\;\;\;}"], LaTeX[(("\text{\textcolor{#000099}{" * x1_1) * "}}")], LaTeX["\text{\textcolor{#000099}{1}}"], LaTeX[(("\text{\textcolor{#000099}{" * x3_1) * "}}")], LaTeX[(("\text{\textcolor{#000099}{" * x4_1) * "}}")]}, {LaTeX["\mathbf{\;\;\;\;\;y\;\;\;\;\;}"], LaTeX[(("\text{\textcolor{#000099}{" * sol1) * "}}")], LaTeX[(("\text{\textcolor{#000099}{" * sol2) * "}}")], LaTeX[(("\text{\textcolor{#000099}{" * sol3) * "}}")], LaTeX[(("\text{\textcolor{#000099}{" * so4) * "}}")]}}, "vc_|l") → text4
  62. LaTeX("\text{Mr.Taggart is calculating his students’ test scores on a \textcolor{#000099}{25}-question test with}") → text1
  63. LaTeX((((("\text{the equation \textcolor{#000099}{y=" * c1) * "x+") * c2) * "}, where \textcolor{#000099}{x} is the number of correct questions and}")) → text1_1
  64. LaTeX("\text{\textcolor{#000099}{y} is the score. Make a table of values and create a graph of this relationship.}") → text1_2
  65. LaTeX((((((("\text{points, substitute values for \textcolor{#000099}{x} and solve for \textcolor{#000099}{y}. Let’s use the values \textcolor{#000099}{" * x1_1) * ", 1, ") * x3_1) * ",} and \textcolor{#000099}{") * x4_1) * "}. }")) → text1_5
  66. LaTeX("\text{To create a graph of the given equation, at least two points are needed. To find the }") → text1_4
  67. LaTeX((((("\text{When \textcolor{#000099}{x = " * x1_1) * "}, \textcolor{#000099}{y = ") * sol1) * "}. }")) → text1_7
  68. LaTeX((("\text{When \textcolor{#000099}{x = 1}, \textcolor{#000099}{y =" * sol2) * "}. }")) → text1_8
  69. LaTeX((((("\text{When \textcolor{#000099}{x = " * x3_1) * "}, \textcolor{#000099}{y = ") * sol3) * "}. }")) → text1_{28}
  70. LaTeX((((("\text{When \textcolor{#000099}{x = " * x4_1) * "}, \textcolor{#000099}{y = ") * so4) * "}. }")) → text1_{29}
  71. LaTeX("\text{Create a table of the values determined in the previous step, with }") → text1_{30}
  72. LaTeX((((((((((("\text{The ordered pairs from the table are \textcolor{#000099}{(" * x1_1) * ", ") * sol1) * "), (1,") * sol2) * "), (") * x3_1) * ",") * sol3) * "),} }")) → text1_{33}
  73. LaTeX("\text{\textcolor{#000099}{y}-axis “Score.”}") → text1_{44}
  74. LaTeX((((("\text{Since the given equation, \textcolor{#000099}{y = " * c1) * "x + ") * c2) * "}, is a linear equation, draw a line}")) → text1_{47}
  75. LaTeX("\text{get from \textcolor{#000099}{0} to \textcolor{#000099}{25} answers correct. Therefore, the line must }") → text1_{50}
  76. LaTeX("\text{Because there are only \textcolor{#000099}{25} questions on the test, a student could }") → text1_{49}
  77. LaTeX("\text{\mathbf{quadratic\; function} a function that can be written in the form \textcolor{#000099}{f(x)=ax^2+bx+c}, }") → text11
  78. LaTeX("\text{where \textcolor{#000099}{a≠0}. The graph of any quadratic function is a parabola.}") → text11_1
  79. LaTeX("\text{\mathbf{linear\; equation} an equation that can be written in the form \textcolor{#000099}{ax+by=c}, }") → text11_2
  80. LaTeX("\text{ in which \textcolor{#000099}{m} is the slope, \textcolor{#000099}{b} is the \textcolor{#000099}{y}-intercept, and the graph is a straight line. }") → text11_4
  81. LaTeX("\text{where \textcolor{#000099}{a, \, b,} and \textcolor{#000099}{c} are rational numbers; can also be written as \textcolor{#000099}{ y=mx+b}, }") → text11_3

AI Drawing Prompt Reference

Draw the graph of the linear function y=4x+3, highlighting its intersection with the axes and showcasing its slope and y-intercept characteristics. Use polygons and vectors to represent the slope, and mark key points such as the intersection of the function graph with the x-axis and y-axis. Display the corresponding y-values for different x-values in a table and plot these points on the coordinate plane, then connect them with a line to form the function graph.
The prompt above was compiled from the original drawing commands and is for reference only.