Line slope calculator x+7y=21


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[0; 3] and B[7; 2]

Calculation:

Slope: m = -0.1429

Slope-intercept form of line: y = -0.1429x+3

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

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

Slope angle of line: φ = -8°7'48″ = -0.1419 rad

X intercept: x0 = 21

Y intercept: y0 = q = 3

Distance line from the origin: d0 = 2.9698

The length of the segment AB: |AB| = 7.0711

Vector: AB = (7; -1)

Normal vector: n = (1; 7)

Midpoint of the segment AB: M = [3.5; 2.5]

Perpendicular Bisector equation: 7x-y-22 = 0

Vector OA = (0; 3) ;   |OA| = 3
Vector OB = (7; 2) ;   |OB| = 7.2801
Scalar product OA .OB = 6
Angle ∠ AOB = 74°3'17″ = 1.2925 rad