Expression 4: "y" equals negative "m" "x" plus "b" left brace, left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" , right parenthesis squared less than or equal to 4 , right brace Has graph. To audio trace, press ALT+T.y=−mx+bx2+y2≤4
4
Expression 5: "b" equals 0b=0
negative 10−10
1010
5
Expression 6: "m" equals 0m=0
"S" Subscript, "t" "a" "r" "t" , BaselineStart
"S" Subscript, "t" "a" "r" "t" , BaselineStart
6
Expression 7: left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" , right parenthesis squared less than or equal to 4 Has graph. To audio trace, press ALT+T.x2+y2≤4