Line slope calculator 7x-9y=-20


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 3] and B[10; 10]

Calculation:

Slope: m = 0.7778

Slope-intercept form of line: y = 0.7778x+2.2222

Canonical form of the line equation: 7x-9y+20 = 0

Parametric form of the line equation:
x = 9t+1
y = 7t+3      ; t ∈ R

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

X intercept: x0 = -2.8571

Y intercept: y0 = q = 2.2222

Distance line from the origin: d0 = 1.7541

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; 6.5]

Perpendicular Bisector equation: 9x+7y-95 = 0

Vector OA = (1; 3) ;   |OA| = 3.1623
Vector OB = (10; 10) ;   |OB| = 14.1421
Scalar product OA .OB = 40
Angle ∠ AOB = 26°33'54″ = 0.4636 rad