Line slope calculator 2x-9y=-72


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[0; 8] and B[9; 10]

Calculation:

Slope: m = 0.2222

Slope-intercept form of line: y = 0.2222x+8

Canonical form of the line equation: 2x-9y+72 = 0

Parametric form of the line equation:
x = 9t
y = 2t+8      ; t ∈ R

Slope angle of line: φ = 12°31'44″ = 0.2187 rad

X intercept: x0 = -36

Y intercept: y0 = q = 8

Distance line from the origin: d0 = 7.8095

The length of the segment AB: |AB| = 9.2195

Vector: AB = (9; 2)

Normal vector: n = (2; -9)

Midpoint of the segment AB: M = [4.5; 9]

Perpendicular Bisector equation: 9x+2y-58.5 = 0

Vector OA = (0; 8) ;   |OA| = 8
Vector OB = (9; 10) ;   |OB| = 13.4536
Scalar product OA .OB = 80
Angle ∠ AOB = 41°59'14″ = 0.7328 rad