(* ::Package:: *)

classssssssss={"The slope measures the rate of change"->"GOOD",
"The more the slope the faster the rate of change"->"GOOD",
"The lesser the slope the slower the rate of change"->"GOOD",
"Rate of change higher for larger slope"->"GOOD",
"slope indicates the rate of change"->"GOOD",
"the change rate is slope"->"GOOD",
"rate of change of a variable is slope"->"GOOD",
(*options of answers from Deidre:*)
"The annual cost of owning a car increases by"->"GOOD",
"For every km driven, the annual cost of owning a car increases by"->"GOOD",
"represents the extra cost of diving a car for every km driven"->"GOOD",
"the cost of owning the car increases by"->"GOOD",
"represents the rate at which the cost of the car goes up per km driven"->"GOOD",
(**)
"slope indicates change"->"OK",
"slope shows the rate"->"OK", 
"slope shows how it is changing"->"OK", 
"slope is the rate of change"->"OK"

};

SLOPE`class=Classify[classssssssss,IndeterminateThreshold->0.8,PerformanceGoal->"Quality",Method->{All->{"Markov","AdditiveSmoothing"->0.1}}];


classssssssss2={"y-intercept is intersection of line with y axis"->"GOOD",
"intersection of line with y-axis is y intercept"->"GOOD",
"the point of intersection of a line with y axis is y-intercept"->"GOOD",
"where the graph crosses y axis"->"GOOD",
"where the line crosses y axis"->"GOOD",
"The y-intercept of this line is the value of y at the point where the line crosses the y axis"->"GOOD",
"rate of change of a variable is slope"->"GOOD",
"where the line intersects y axis"->"GOOD",

"represents the cost of owning a car when 0 km are driven"->"GOOD",
"represents the cost of owning a car when 0km are driven"->"GOOD",

"intersection with y axis"->"OK", 
"y axis intersection"->"OK",
"point of intersection along y axis"->"OK",
 "y axis and line intersection"->"OK",
"where the line and y axis cross"->"OK",
"where the line intersect y axis"->"OK"
};

YINTERCEPT`class=Classify[classssssssss2,IndeterminateThreshold->0.8,PerformanceGoal->"Quality",Method->{All->{"Markov","AdditiveSmoothing"->0.1}}];