Expression 7: "a" equals StartFraction, 1 Over 2 left parenthesis, "m" Subscript, "x" , Baseline plus "R" , right parenthesis , EndFraction left parenthesis, "b" minus "m" Subscript, "y" , Baseline , right parenthesis squared plus 1 half left parenthesis, "m" Subscript, "x" , Baseline minus "R" , right parenthesisa=12mx+Rb−my2+12mx−R
equals=
0.2 0 0 50.2005
7
Expression 8: left parenthesis, "x" minus "a" , right parenthesis squared plus left parenthesis, "y" minus "b" , right parenthesis squared equals "a" squared Has graph. To audio trace, press ALT+T.x−a2+y−b2=a2
8
Hidden Label: left parenthesis, "a" , "b" , right parenthesisa,b
Label
equals=
left parenthesis, 0.2 0 0 5 , negative 3.9 , right parenthesis0.2005,−3.9
9
Hidden Label: left parenthesis, "m" Subscript, "x" , Baseline , "m" Subscript, "y" , Baseline , right parenthesis equals left parenthesis, 4 , 1 , right parenthesis Has graph. To audio trace, press ALT+T.mx,my