Expression 5: "y" equals "a" "x" squared plus "b" "x" plus "c"y=ax2+bx+c
5
Expression 6: "b" equals 10b=10
negative 10−10
1010
6
Expression 7: "c" equals 1c=1
negative 10−10
1010
7
Expression 8: "y" equals "a" left parenthesis, "x" minus "r" Subscript, 1 , Baseline , right parenthesis left parenthesis, "x" minus "r" Subscript, 2 , Baseline , right parenthesisy=ax−r1x−r2