Line slope calculator 3x-7y=-4


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 1] and B[8; 4]

Calculation:

Slope: m = 0.4286

Slope-intercept form of line: y = 0.4286x+0.5714

Canonical form of the line equation: 3x-7y+4 = 0

Parametric form of the line equation:
x = 7t+1
y = 3t+1      ; t ∈ R

Slope angle of line: φ = 23°11'55″ = 0.4049 rad

X intercept: x0 = -1.3333

Y intercept: y0 = q = 0.5714

Distance line from the origin: d0 = 0.5252

The length of the segment AB: |AB| = 7.6158

Vector: AB = (7; 3)

Normal vector: n = (3; -7)

Midpoint of the segment AB: M = [4.5; 2.5]

Perpendicular Bisector equation: 7x+3y-39 = 0

Vector OA = (1; 1) ;   |OA| = 1.4142
Vector OB = (8; 4) ;   |OB| = 8.9443
Scalar product OA .OB = 12
Angle ∠ AOB = 18°26'6″ = 0.3218 rad