Find the equation of a line passing through two points in the form y=mx+b. The question is set up so that m and b will be integers.
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", "advice": "$\\begin{align}\\dfrac{y-\\var{y1}}{\\var{y2}-\\var{y1}}&=\\dfrac{x-\\var{x1}}{\\var{x2}-\\var{x1}}\\\\ \\dfrac{\\var{simplify(expression(\"y-\"+y1),\"all\")}}{\\var{y2-y1}}&=\\dfrac{\\var{simplify(expression(\"x-\"+x1),\"all\")}}{\\var{x2-x1}}\\\\ \\var{simplify(expression(\"y-\"+y1),\"all\")} &= \\dfrac{\\var{y2-y1}}{\\var{x2-x1}}(\\var{simplify(expression(\"x-\"+x1),\"all\")})\\\\&= \\var[fractionNumbers]{simplify(expression( string(simplify(expression(\"(\"+y2+\"-\"+y1+\")/(\"+x2+\"-\"+x1+\")*x\" ),\"all\"))+\"+\"+string(-x1*(y2-y1)/(x2-x1))),\"basic\")}\\\\ y&= \\var[fractionNumbers]{simplify(expression( string(simplify(expression(\"(\"+y2+\"-\"+y1+\")/(\"+x2+\"-\"+x1+\")*x\" ),\"all\"))+\"+\"+string(-x1*(y2-y1)/(x2-x1)+y1 )),\"basic\")} \\end{align}$
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\nType in the equation that you get.
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\n$y =$ [[0]]
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