Line slope calculator 9x+7y=79


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 10] and B[8; 1]

Calculation:

Slope: m = -1.2857

Slope-intercept form of line: y = -1.2857x+11.2857

Canonical form of the line equation: 9x+7y-79 = 0

Parametric form of the line equation:
x = 7t+1
y = -9t+10      ; t ∈ R

Slope angle of line: φ = -52°7'30″ = -0.9098 rad

X intercept: x0 = 8.7778

Y intercept: y0 = q = 11.2857

Distance line from the origin: d0 = 6.9288

The length of the segment AB: |AB| = 11.4018

Vector: AB = (7; -9)

Normal vector: n = (9; 7)

Midpoint of the segment AB: M = [4.5; 5.5]

Perpendicular Bisector equation: 7x-9y+18 = 0

Vector OA = (1; 10) ;   |OA| = 10.0499
Vector OB = (8; 1) ;   |OB| = 8.0623
Scalar product OA .OB = 18
Angle ∠ AOB = 77°9'52″ = 1.3468 rad