Line slope calculator x+9y=45


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[0; 5] and B[9; 4]

Calculation:

Slope: m = -0.1111

Slope-intercept form of line: y = -0.1111x+5

Canonical form of the line equation: x+9y-45 = 0

Parametric form of the line equation:
x = 9t
y = -t+5      ; t ∈ R

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

X intercept: x0 = 45

Y intercept: y0 = q = 5

Distance line from the origin: d0 = 4.9694

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

Vector: AB = (9; -1)

Normal vector: n = (1; 9)

Midpoint of the segment AB: M = [4.5; 4.5]

Perpendicular Bisector equation: 9x-y-36 = 0

Vector OA = (0; 5) ;   |OA| = 5
Vector OB = (9; 4) ;   |OB| = 9.8489
Scalar product OA .OB = 20
Angle ∠ AOB = 66°2'15″ = 1.1526 rad