Line slope calculator x+9y=28


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 3] and B[10; 2]

Calculation:

Slope: m = -0.1111

Slope-intercept form of line: y = -0.1111x+3.1111

Canonical form of the line equation: x+9y-28 = 0

Parametric form of the line equation:
x = 9t+1
y = -t+3      ; t ∈ R

Slope angle of line: φ = -6°20'25″ = -0.1107 rad

X intercept: x0 = 28

Y intercept: y0 = q = 3.1111

Distance line from the origin: d0 = 3.0921

The length of the segment AB: |AB| = 9.0554

Vector: AB = (9; -1)

Normal vector: n = (1; 9)

Midpoint of the segment AB: M = [5.5; 2.5]

Perpendicular Bisector equation: 9x-y-47 = 0

Vector OA = (1; 3) ;   |OA| = 3.1623
Vector OB = (10; 2) ;   |OB| = 10.198
Scalar product OA .OB = 16
Angle ∠ AOB = 60°15'18″ = 1.0517 rad