Line slope calculator 3x+7y=21


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[0; 3] and B[7; 0]

Calculation:

Slope: m = -0.4286

Slope-intercept form of line: y = -0.4286x+3

Canonical form of the line equation: 3x+7y-21 = 0

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

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

X intercept: x0 = 7

Y intercept: y0 = q = 3

Distance line from the origin: d0 = 2.7574

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

Vector: AB = (7; -3)

Normal vector: n = (3; 7)

Midpoint of the segment AB: M = [3.5; 1.5]

Perpendicular Bisector equation: 7x-3y-20 = 0

Vector OA = (0; 3) ;   |OA| = 3
Vector OB = (7; 0) ;   |OB| = 7
Scalar product OA .OB = 0
Angle ∠ AOB = 90° = 1.5708 rad