Line slope calculator 4x+9y=49


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 5] and B[10; 1]

Calculation:

Slope: m = -0.4444

Slope-intercept form of line: y = -0.4444x+5.4444

Canonical form of the line equation: 4x+9y-49 = 0

Parametric form of the line equation:
x = 9t+1
y = -4t+5      ; t ∈ R

Slope angle of line: φ = -23°57'45″ = -0.4182 rad

X intercept: x0 = 12.25

Y intercept: y0 = q = 5.4444

Distance line from the origin: d0 = 4.9752

The length of the segment AB: |AB| = 9.8489

Vector: AB = (9; -4)

Normal vector: n = (4; 9)

Midpoint of the segment AB: M = [5.5; 3]

Perpendicular Bisector equation: 9x-4y-37.5 = 0

Vector OA = (1; 5) ;   |OA| = 5.099
Vector OB = (10; 1) ;   |OB| = 10.0499
Scalar product OA .OB = 15
Angle ∠ AOB = 72°58'46″ = 1.2737 rad