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; 4]

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; 3.5]

Perpendicular Bisector equation: 7x+y-28 = 0

Vector OA = (0; 3) ;   |OA| = 3
Vector OB = (7; 4) ;   |OB| = 8.0623
Scalar product OA .OB = 12
Angle ∠ AOB = 60°15'18″ = 1.0517 rad