//  
  // GeoScript-Datei Bild- und Urbildvektor.script
  //  

  showGrid = true
  gridSize = 20
  snapToGrid = true

  //
  // Figurenbeschreibung 
  // =================== 
  //
  
e[1]  = O;	point;	fixed;		0.0, 0.0;			0;gray;gray;default;
e[2]  = _KO;	point;	coordSystem;	O, 1000, 1000, 1000, 1000;	0;gray;gray;default;
e[3]  = A;	point;	random;		-7.0,0.0,3.0,0.0,"integer";	
e[4]  = B;	point;	random;		-7.0,0.0,3.0,0.0,"integer";	
e[5]  = v1;	line;	vector;		A, B;				"hideLabel" 
e[6]  = A';	point;	dragable;	1.0, 4.0;	
e[7]  = B';	point;	dragable;	4.0, 4.0;	
e[8]  = v;	line;	vector;		A', B';				"hideLabel" 
e[9]  = b1;     measure;button;    	"Auswertung","evaluate";
e[10] = fA;	point;	functionDepend;	"2*coordinateX(A)","-3*coordinateY(A)";	"hidden"
e[11] = fB;	point;	functionDepend;	"2*coordinateX(B)","-3*coordinateY(B)";	"hidden"
e[12] = Solution;line;	vector;		fA, fB;				


 // Show solution at the end of the exercise
 // ========================================

 hidden[1] = "if (not($(showProblemSolution))) hide (Solution)" 


  //      
  // Antwortanalyse
  // ==============
  //

<Problem>
 MAX_ANSWER = 3
 condition[1] = "isIncident(A',fA)"
 condition[2] = "isIncident(B',fB)"
</Problem>

<Answer 1>
 key = "condition[1] AND condition[2]"
 comment[1] = " Right. /n "
</Answer 1>

<Answer 2>
 key = "condition[1]"
 comment[1] = " Your answer is partly right. /n The coordinates of A' are right, /n but point B' is wrong. /n Just try again."
 comment[2] = " Your answer is partly right. /n The solution is shown in the drawing plane. "
</Answer 2>

<Answer 3>
 key = "condition[2]"
 comment[1] = " Your answer is partly right. /n The coordinates of B' are right, /n but point A' is wrong. /n Just try again."
 comment[2] = " Your answer is partly right. /n The solution is shown in the drawing plane. "
</Answer 3>

<Answer 4>
 key = "1"
 comment[1] = " Your answer is not right. /n The coordinates of A' and B' are wrong. /n Just try again."
 comment[2] = " Your answer is not right. /n The coordinates of A' and B' are wrong. /n Just try again."
 comment[3] = " Your answer is not right. /n The solution is shown in the drawing plane. "
</Answer 4>