Parabola defined by 3 points

表达式13: "y" Subscript, 3 , Baseline equals 4.0 2

negative 10

表达式14: "A" Subscript, 1 , Baseline equals negative "x" squared plus "x" squared

equals

negative 17.5 0 2 8

表达式15: "B" Subscript, 1 , Baseline equals negative "x" Subscript, 1 , Baseline plus "x" Subscript, 2 , Baseline

equals

2.6 6

表达式16: "D" Subscript, 1 , Baseline equals negative "y" Subscript, 1 , Baseline plus "y" Subscript, 2 , Baseline

equals

negative 0.8 7

表达式17: "A" Subscript, 2 , Baseline equals negative "x" squared plus "x" squared

equals

negative 0.2 6 9 5

表达式18: "B" Subscript, 2 , Baseline equals negative "x" Subscript, 2 , Baseline plus "x" Subscript, 3 , Baseline

equals

3.8 5

表达式19: "D" Subscript, 2 , Baseline equals negative "y" Subscript, 2 , Baseline plus "y" Subscript, 3 , Baseline

equals

1.9

表达式20: "B" Subscript, "m" "u" "l" "t" "i" "p" "l" "i" "e" "r" , Baseline equals negative left parenthesis, StartFraction, "B" Subscript, 2 , Baseline Over "B" Subscript, 1 , Baseline , EndFraction , right parenthesis

equals

negative 1.4 4 7 3 6 8 4 2 1 0 5

表达式21: "A" Subscript, 3 , Baseline equals "B" Subscript, "m" "u" "l" "t" "i" "p" "l" "i" "e" "r" , Baseline times "A" Subscript, 1 , Baseline plus "A" Subscript, 2 , Baseline

equals

25.0 6 3 5

表达式22: "D" Subscript, 3 , Baseline equals "B" Subscript, "m" "u" "l" "t" "i" "p" "l" "i" "e" "r" , Baseline times "D" Subscript, 1 , Baseline plus "D" Subscript, 2 , Baseline

equals

3.1 5 9 2 1 0 5 2 6 3 2

表达式23: "a" equals StartFraction, "D" Subscript, 3 , Baseline Over "A" Subscript, 3 , Baseline , EndFraction

equals

0.1 2 6 0 4 8 2 5 8 4 7 6

表达式24: "b" equals StartFraction, "D" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline times "a" Over "B" Subscript, 1 , Baseline , EndFraction

equals

0.5 0 2 3 2 9 8 7 1 6

表达式25: "c" equals "y" Subscript, 1 , Baseline minus "a" "x" squared minus "b" "x" Subscript, 1 , Baseline

equals

2.6 2 0 3 3 9 5 5 8 5 7

技术支持