vertex: left parenthesis, negative StartFraction, "b" Over 2 "a" , EndFraction , "f" left parenthesis, negative StartFraction, "b" Over 2 "a" , EndFraction , right parenthesis , right parenthesis−b2a,f−b2a
axis of symmetry: left parenthesis, negative StartFraction, "b" Over 2 "a" , EndFraction , "f" left parenthesis, negative StartFraction, "b" Over 2 "a" , EndFraction , right parenthesis minus 4 , right parenthesis−b2a,f−b2a−4
Expression 8: "r" Subscript, 1 , Baseline equals StartFraction, left parenthesis, negative "b" plus StartRoot, "b" squared minus 4 "a" "c" , EndRoot , right parenthesis Over 2 "a" , EndFractionr1=−b+b2−4ac2a
equals=
negative 0.2 5 8 7 4 5 8 3 3 8 2 6−0.258745833826
8
Expression 9: "r" Subscript, 2 , Baseline equals StartFraction, left parenthesis, negative "b" minus StartRoot, "b" squared minus 4 "a" "c" , EndRoot , right parenthesis Over 2 "a" , EndFractionr2=−b−b2−4ac2a
equals=
negative 3.3 1 2 6 8 2 7 3 7 6−3.3126827376
9
zero: left parenthesis, "r" Subscript, 1 , Baseline , 0 , right parenthesisr1,0
Label:
equals=
left parenthesis, negative 0.2 5 8 7 4 5 8 3 , 0 , right parenthesis−0.25874583,0
10
zero: left parenthesis, "r" Subscript, 2 , Baseline , 0 , right parenthesisr2,0
Label:
equals=
left parenthesis, negative 3.3 1 2 6 8 2 7 4 , 0 , right parenthesis−3.31268274,0
11
y=${a}x²+${b}x+${c} left parenthesis, 1 , "f" left parenthesis, 1 , right parenthesis , right parenthesis1,f1
Label:
equals=
left parenthesis, 1 , 3.8 , right parenthesis1,3.8
