Expression 12: "y" Subscript, 2 , Baseline equals StartRoot, left parenthesis, "x" cubed plus "a" "x" Subscript, 2 , Baseline plus "b" , right parenthesis , EndRooty2=x32+ax2+b
Expression 14: "x" Subscript, 2 , Baseline equals 2.2x2=2.2
negative 10−10
1010
14
This is the straight line connecting the two source points (step 1):
15
Expression 16: "m" equals StartFraction, left parenthesis, "y" Subscript, 1 , Baseline minus "y" Subscript, 2 , Baseline , right parenthesis Over left parenthesis, "x" Subscript, 1 , Baseline minus "x" Subscript, 2 , Baseline , right parenthesis , EndFractionm=y1−y2x1−x2
equals=
0.6 3 7 5 8 5 4 3 1 1 8 20.637585431182
16
Expression 17: "v" equals "y" Subscript, 1 , Baseline minus "m" "x" Subscript, 1 , Baselinev=y1−mx1
equals=
2.7 9 8 2 6 4 3 2 4 42.7982643244
17
Expression 18: "y" equals "m" "x" plus "v"y=mx+v
18
These are the coordinates of the intersection of the line with our curve (step 2):
19
Expression 20: "x" Subscript, 3 , Baseline equals "m" squared minus "x" Subscript, 1 , Baseline minus "x" Subscript, 2 , Baselinex3=m2−x1−x2
equals=
negative 0.2 4 3 4 8 4 8 1 7 9 4 4−0.243484817944
20
Expression 21: "y" Subscript, 3 , Baseline equals "m" "x" Subscript, 3 , Baseline plus "v"y3=mx3+v
equals=
2.6 4 3 0 2 1 9 5 1 7 62.64302195176
21
-R: left parenthesis, "x" Subscript, 3 , Baseline , "y" Subscript, 3 , Baseline , right parenthesisx3,y3
