Line slope calculator 4x-5y=-4


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[4; 4] and B[9; 8]

Calculation:

Slope: m = 0.8

Slope-intercept form of line: y = 0.8x+0.8

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

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

Slope angle of line: φ = 38°39'35″ = 0.6747 rad

X intercept: x0 = -1

Y intercept: y0 = q = 0.8

Distance line from the origin: d0 = 0.6247

The length of the segment AB: |AB| = 6.4031

Vector: AB = (5; 4)

Normal vector: n = (4; -5)

Midpoint of the segment AB: M = [6.5; 6]

Perpendicular Bisector equation: 5x+4y-56.5 = 0

Vector OA = (4; 4) ;   |OA| = 5.6569
Vector OB = (9; 8) ;   |OB| = 12.0416
Scalar product OA .OB = 68
Angle ∠ AOB = 3°21'59″ = 0.0588 rad