Expression 9: left parenthesis, "x" plus 2.5 5 , right parenthesis squared plus left parenthesis, "y" minus 1.2 5 , right parenthesis squared equals 0.0 5 Has graph. To audio trace, press ALT+T.x+2.552+y−1.252=0.05
9
Expression 10: left parenthesis, "x" plus 0.9 , right parenthesis squared plus left parenthesis, "y" minus 2.7 5 , right parenthesis squared equals 0.0 5 Has graph. To audio trace, press ALT+T.x+0.92+y−2.752=0.05
10
Expression 11: "r" equals negative left parenthesis, cos "b" , right parenthesisr=−cosb
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
2 pi2π
domain \theta Maximum:
equals=
0.9 1 6 1 5 8 5 7 5 5 0 70.916158575507
11
Expression 12: "b" equals 3.5 4 2b=3.542
22
44
12
Expression 13: "r" equals 3.2 left parenthesis, "a" minus left parenthesis, left parenthesis, cos theta , right parenthesis left parenthesis, sin theta , right parenthesis , right parenthesis , right parenthesis Has graph.r=3.2a−cosθsinθ
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
2 pi2π
domain \theta Maximum:
13
Expression 14: "r" equals "c"r=c
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
2 pi2π
domain \theta Maximum:
equals=
9.7 1 19.711
14
Expression 15: "c" equals 9.7 3 3c=9.733
9.59.5
1010
15
Expression 16: "r" equals "d"r=d
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤