# List of functions used for parametric curve quiz.
# An item in this list will be picked randomly at each exercise.
# Structure of item: multi-line.
# line 1 is function description.
# line 2 is x_0, y_0, x'_0, y'_0
# The rest is values for parameters c1, c2, etc.
# Different items are separated by lines starting with `:'.

: ($c3)*t+($c1)+($c5)*t^2, ($c4)*t+($c2)+($c6)*t^3
  $c1, $c2, $c3, $c4
  -2,-1,0,1,2
  -2,-1,1,2
  -3,-2,2,3
  -5,-1,0,1,5
  -1.4,-1.2,-1,-0.8,-0.6,0.6,0.8,1,1.2,1.4
  -1.4,-1.2,-1,-0.8,-0.6,0.6,0.8,1,1.2,1.4
: ($c3)*t+($c1)+($c5)*t^3, ($c4)*t+($c2)+($c6)*t^2
  $c1, $c2, $c3, $c4
  -2,-1,1,2
  -2,-1,0,1,2
  -3,-2,2,3
  -5,-1,0,1,5
  -1.4,-1.2,-1,-0.8,-0.6,0.6,0.8,1,1.2,1.4
  -1.4,-1.2,-1,-0.8,-0.6,0.6,0.8,1,1.2,1.4
: ($c3)*t+($c1)+($c5)*t^2, ($c4)*t+($c2)
  $c1, $c2, $c3, $c4
  -2,-1,1,2
  -2,-1,0,1,2
  -5,-1,0,1,5
  -3,-2,2,3
  -1.7,-1.4,-1.2,-1,-0.8,0.8,1,1.2,1.4,1.7
: ($c3)*t+($c1)+($c5)*t^3, ($c4)*t+($c2)
  $c1, $c2, $c3, $c4
  -2,-1,0,1,2
  -2,-1,1,2
  -5,-1,0,1,5
  -3,-2,2,3
  -1.7,-1.4,-1.2,-1,-0.8,0.8,1,1.2,1.4,1.7
