Line slope calculator 8x+y=18


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 10] and B[2; 2]

Calculation:

Slope: m = -8

Slope-intercept form of line: y = -8x+18

Canonical form of the line equation: 8x+y-18 = 0

Parametric form of the line equation:
x = t+1
y = -8t+10      ; t ∈ R

Slope angle of line: φ = -82°52'30″ = -1.4464 rad

X intercept: x0 = 2.25

Y intercept: y0 = q = 18

Distance line from the origin: d0 = 2.2326

The length of the segment AB: |AB| = 8.0623

Vector: AB = (1; -8)

Normal vector: n = (8; 1)

Midpoint of the segment AB: M = [1.5; 6]

Perpendicular Bisector equation: x-8y+46.5 = 0

Vector OA = (1; 10) ;   |OA| = 10.0499
Vector OB = (2; 2) ;   |OB| = 2.8284
Scalar product OA .OB = 22
Angle ∠ AOB = 39°17'22″ = 0.6857 rad