Line slope calculator 3x-y=9


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[3; 0] and B[4; 3]

Calculation:

Slope: m = 3

Slope-intercept form of line: y = 3x-9

Canonical form of the line equation: 3x-y-9 = 0

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

Slope angle of line: φ = 71°33'54″ = 1.249 rad

X intercept: x0 = 3

Y intercept: y0 = q = -9

Distance line from the origin: d0 = 2.846

The length of the segment AB: |AB| = 3.1623

Vector: AB = (1; 3)

Normal vector: n = (3; -1)

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

Perpendicular Bisector equation: x+3y-8 = 0

Vector OA = (3; 0) ;   |OA| = 3
Vector OB = (4; 3) ;   |OB| = 5
Scalar product OA .OB = 12
Angle ∠ AOB = 36°52'12″ = 0.6435 rad