Expression 22: "m" Subscript, 2 , Baseline equals tangent left parenthesis, negative "C" Subscript, "A" "O" , Baseline , right parenthesism2=tan−CAO
equals=
negative 0.5 7 2 7 0 5 3 9 9 9 4 2−0.572705399942
22
Expression 23: "y" equals "m" Subscript, 1 , Baseline "x" Has graph. To audio trace, press ALT+T.y=m1x
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Expression 24: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.y=m2x−A1
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Expression 25: "m" Subscript, 1 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesism1x=m2x−A1