Line slope calculator 7x-9y=-2


Enter the coordinates of two different points:
Line slope diagram

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

Calculation:

Slope: m = 0.7778

Slope-intercept form of line: y = 0.7778x+0.2222

Canonical form of the line equation: 7x-9y+2 = 0

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

Slope angle of line: φ = 37°52'30″ = 0.661 rad

X intercept: x0 = -0.2857

Y intercept: y0 = q = 0.2222

Distance line from the origin: d0 = 0.1754

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

Vector: AB = (9; 7)

Normal vector: n = (7; -9)

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

Perpendicular Bisector equation: 9x+7y-81 = 0

Vector OA = (1; 1) ;   |OA| = 1.4142
Vector OB = (10; 8) ;   |OB| = 12.8062
Scalar product OA .OB = 18
Angle ∠ AOB = 6°20'25″ = 0.1107 rad