Line slope calculator 2x-9y=-9
Straight line given by points A[0; 1] and B[9; 3]
Calculation:
Slope: m = 0.2222Slope-intercept form of line: y = 0.2222x+1
Canonical form of the line equation: 2x-9y+9 = 0
Parametric form of the line equation:
x = 9t
y = 2t+1 ; t ∈ R
Slope angle of line: φ = 12°31'44″ = 0.2187 rad
X intercept: x0 = -4.5
Y intercept: y0 = q = 1
Distance line from the origin: d0 = 0.9762
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; 2]
Perpendicular Bisector equation: 9x+2y-44.5 = 0
Vector OA = (0; 1) ; |OA| = 1
Vector OB = (9; 3) ; |OB| = 9.4868
Scalar product OA .OB = 3
Angle ∠ AOB = 71°33'54″ = 1.249 rad