{
  "icon" : "chart.xyaxis.line",
  "id" : "C3C8F18D-773B-5A39-AA51-775F3260748F",
  "lines" : [
    {
      "id" : "39515651-8144-5EBF-B4A9-5F605062A654",
      "source" : "# Slope-intercept form"
    },
    {
      "id" : "902EEF2E-160B-5FDB-89CA-0FB51ACAF5C5",
      "source" : "\/\/ Drag the slope and intercept, watch the line move."
    },
    {
      "id" : "7000E383-CAF4-5734-98EB-3EAFCBCC05BA",
      "source" : "slope = 2 in -5 … 5"
    },
    {
      "id" : "E9A75798-83E3-5C1B-AD3A-C0D3D2E475B8",
      "source" : "y intercept = 1 in -10 … 10"
    },
    {
      "id" : "88F57352-8B4A-5C7C-ACCA-A50EF905E73E",
      "source" : "f(x) = slope*x + y intercept"
    },
    {
      "id" : "BDD10055-8223-5FA9-91BF-9B52F054849C",
      "source" : "f(0)"
    },
    {
      "id" : "E7687C2A-0545-545A-9866-3FC08B4BCD08",
      "source" : "f(1)"
    },
    {
      "id" : "065342DF-F5DD-50DB-81BC-F4B53019A23F",
      "source" : "\/\/ Each step right changes y by the slope."
    },
    {
      "id" : "132F9687-E9C3-538C-904F-47ECE075DEFD",
      "source" : "f(1) - f(0) == slope"
    },
    {
      "id" : "4C1B8CDE-C055-5A9D-AF43-EB70CB5D7CFB",
      "source" : "plot(f(x), x, -10, 10)"
    },
    {
      "id" : "ACBE6441-BE1C-5312-B807-5CAF8DFC4C33",
      "source" : ""
    },
    {
      "id" : "115513DD-9F65-5233-A949-8603C89DF839",
      "source" : "# Slope from two points"
    },
    {
      "id" : "69D592A6-C2F9-5038-9A6A-08DFB228DE75",
      "source" : "\/\/ The line passes through (1, 4) and (5, 12)."
    },
    {
      "id" : "2B20718E-70AD-503A-A082-3FD6AAD816EF",
      "source" : "rise = 12 - 4"
    },
    {
      "id" : "849B98B6-DA7C-5F9A-805F-2D81843D2D9A",
      "source" : "run = 5 - 1"
    },
    {
      "id" : "76492B68-38F7-5C61-9EF5-6E5754956B64",
      "source" : "m = rise\/run"
    },
    {
      "id" : "2F4E29BF-E877-5B07-A72C-5B160CBDA00E",
      "source" : "b = 4 - m*1"
    },
    {
      "id" : "67715852-7459-5B9C-91B5-61E09EAE2CE5",
      "source" : ""
    },
    {
      "id" : "D0FB47C1-5900-501C-87F2-51B03532E676",
      "source" : "# A taxi ride"
    },
    {
      "id" : "8B6AB21B-1FE4-5621-AD99-3424BAAE724C",
      "source" : "\/\/ $3.50 to start, plus $2 per mile."
    },
    {
      "id" : "7F9111E1-E247-5522-A30A-429460085CCE",
      "source" : "miles = 6 in 0 … 30"
    },
    {
      "id" : "143F4382-EC5A-53B3-9D6C-A51846E4DEFC",
      "source" : "fare = $3.50 + $2*miles"
    }
  ],
  "numberStyle" : {
    "decimal" : ".",
    "grouping" : ",",
    "secondaryGroupSize" : 3
  },
  "title" : "Linear functions"
}