Line slope calculator 8x+9y=98


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 10] and B[10; 2]

Calculation:

Slope: m = -0.8889

Slope-intercept form of line: y = -0.8889x+10.8889

Canonical form of the line equation: 8x+9y-98 = 0

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

Slope angle of line: φ = -41°38'1″ = -0.7266 rad

X intercept: x0 = 12.25

Y intercept: y0 = q = 10.8889

Distance line from the origin: d0 = 8.1385

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

Vector: AB = (9; -8)

Normal vector: n = (8; 9)

Midpoint of the segment AB: M = [5.5; 6]

Perpendicular Bisector equation: 9x-8y-1.5 = 0

Vector OA = (1; 10) ;   |OA| = 10.0499
Vector OB = (10; 2) ;   |OB| = 10.198
Scalar product OA .OB = 30
Angle ∠ AOB = 72°58'46″ = 1.2737 rad