Adjust the slope and y-intercept until it connects the two points. How do the slope and y-intercept values affect the line?
init({
range: [[-10, 10], [-10, 12]],
scale: [30, 30]
});
grid( [-10, 10], [-10, 10], {
stroke: "#ccc"
});
style({
stroke: "#888",
strokeWidth: 2,
arrows: "->"
});
path( [ [-10, 0], [10, 0] ] );
path( [ [0, -10], [0, 10] ] );
style({
stroke: "#6495ED",
fill: "#6495ED",
arrows: null
});
circle( [X1, Y1], 0.15 );
circle( [X2, Y2], 0.15 );
var graph = KhanUtil.currentGraph;
style({
clipRect:[ [-10, -10], [20, 20] ]
}, function() {
var ell = function( x ) {
return x;
};
graph.plot = line( [ -10, ell( -10 ) ], [ 10, ell( 10 ) ] );
});
graph.labelHolder = label( [1, 11], "y = " + KhanUtil.fractionReduce( 1, 1 ) + "x +" + KhanUtil.fractionReduce( 1, 1 ));
graph.MN = 1;
graph.MD = 1;
graph.BN = 1;
graph.BD = 1;
graph.INCR = INCR;
updateEquation();