Line slope calculator 2x+9y=45


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[0; 5] and B[9; 3]

Calculation:

Slope: m = -0.2222

Slope-intercept form of line: y = -0.2222x+5

Canonical form of the line equation: 2x+9y-45 = 0

Parametric form of the line equation:
x = 9t
y = -2t+5      ; t ∈ R

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

X intercept: x0 = 22.5

Y intercept: y0 = q = 5

Distance line from the origin: d0 = 4.8809

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; 4]

Perpendicular Bisector equation: 9x-2y-32.5 = 0

Vector OA = (0; 5) ;   |OA| = 5
Vector OB = (9; 3) ;   |OB| = 9.4868
Scalar product OA .OB = 15
Angle ∠ AOB = 71°33'54″ = 1.249 rad