兩點距離、斜率及y-截距(II)
| 0 | X | Y | + | ( | K | x² | - |
| 3 | K | + | 2 | ) | √ | ( | ( |
| X | - | A | ) | x² | + | ( | Y |
| - | B | ) | x² | ) | ÷ | 2 | + |
| K | ( | K | - | 2 | ) | ( | B |
| - | Y | ) | ÷ | ( | X | - | A |
| ) | + | K | ( | K | - | 1 | ) |
| ( | Y | - | ANS | X | ) | ÷ | 2 |
| - | K | - | 1 | + | ( | K | + |
| 1 | ) | STO F1 或 F2 | |||||
例題: A(1,1) 及 B(4,5) 是兩點，求AB的距離、AB直線的斜率及Y-截距。
按 2ndF DEL (必要) 再按 RCL F1 ALGB 1 = 1 = 4 = 5 = (顯示距離為5) = (顯示斜率為1.333333333)
再按 = (顯示y截距為-0.333333333)
相關資料:
兩點的距離、斜率及y截距(兩點式)(I) (Distance, slope and y-intercept I)
直線方程 (兩點式) (應用內置線性回歸功能 ) (Equation of straight line: Two points Form)
兩直線間夾角 (Angle between two lines)
分界點 (Section formula)
分界點及直線方程 (應用內置線性回歸功能 ) (Section formula and equation of straight line)
直線的一般式轉換為法線式 (Conversion of General Form into Normal Form of a straight line)
直線與點的距離 (Distance between line and point)
分界點及點與直線的距離 (Section formula and Distance between point and line)