Line slope calculator 9x+8y=89


Enter coordinates of two different points:

Straight line given by points A[1; 10] and B[9; 1]

Calculation:

Slope-intercept form of line: y = -1.125x+11.125

Canonical form of the line equation: 9x+8y-89 = 0

Parametric form of the line equation:
x = 8t+1
y = -9t+10      ; t ∈ R

Slope: m = -1.125

Slope angle of line: φ = -48°21'59″ = -0.8442 rad

X intercept: x0 = 9.8889

Y intercept: y0 = q = 11.125

Distance line from the origin: d0 = 7.391

The length of the segment AB: |AB| = 12.0416

Vector: AB = (8; -9)

Normal vector: n = (9; 8)

Midpoint of the segment AB: M = [5; 5.5]

Perpendicular Bisector equation: 8x-9y+9.5 = 0


Vector OA = (1; 10) ;   |OA| = 10.0499
Vector OB = (9; 1) ;   |OB| = 9.0554
Scalar product OA .OB = 19
Angle ∠ AOB = 77°56'57″ = 1.3605 rad