Line slope calculator 4x-9y=-5


Enter the coordinates of two different points:
Line slope diagram

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

Calculation:

Slope: m = 0.4444

Slope-intercept form of line: y = 0.4444x+0.5556

Canonical form of the line equation: 4x-9y+5 = 0

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

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

X intercept: x0 = -1.25

Y intercept: y0 = q = 0.5556

Distance line from the origin: d0 = 0.5077

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-61.5 = 0

Vector OA = (1; 1) ;   |OA| = 1.4142
Vector OB = (10; 5) ;   |OB| = 11.1803
Scalar product OA .OB = 15
Angle ∠ AOB = 18°26'6″ = 0.3218 rad