Expression 10: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.y=m2x−C1
10
Expression 11: "m" Subscript, 1 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.m1x=m2x−C1