GraphingCalculator 4;
Window 46 10 837 673;
PaneDivider 271;
SignificantDigits 8;
DrawGraph 0;
2D.Scale 0.5 0.5 2 2;
2D.BottomLeft -9.09375 -10.125;
Picture "iVBORw0KGgoAAAANSUhEUgAAAAkAAAAJAQMAAADaX5RTAAAABGdBTUEAANkE3LLaAgAAAANQTFRFzgDOQJdpJwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9oCCxQzNvJOuo0AAABQdEVYdFNvZnR3YXJlAEdyYXBoaW5nIENhbGN1bGF0b3IgNC4wZDI0IChNYWNpbnRvc2ggSW50ZWw7IGxpYnBuZyAxLjIuMjY7IHpsaWIgMS4yLjMpsDgB3gAAAAtJREFUCJljYMAJAAAbAAHSN9O6AAAAAElFTkSuQmCC" 2.09375 12.46875;
Picture "iVBORw0KGgoAAAANSUhEUgAAAAkAAAAJAQMAAADaX5RTAAAABGdBTUEAANkE3LLaAgAAAANQTFRFzgDOQJdpJwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9oCCxQzNvJOuo0AAABQdEVYdFNvZnR3YXJlAEdyYXBoaW5nIENhbGN1bGF0b3IgNC4wZDI0IChNYWNpbnRvc2ggSW50ZWw7IGxpYnBuZyAxLjIuMjY7IHpsaWIgMS4yLjMpsDgB3gAAAAtJREFUCJljYMAJAAAbAAHSN9O6AAAAAElFTkSuQmCC" 5.90625 12.4375;
Expr y=m*x+b;
Color 2;
Expr m=?,b=?;
Text "I'm going to place two points on this graph. Devise a plan for calculating the values of m and b so that the graph of y= mx + b passes through that point.
I will give your plan to another group and they will follow your plan. They'll then see if the graph passes through the points.";