Line slope calculator 5x+9y=77
Straight line given by points A[1; 8] and B[10; 3]
Calculation:
Slope: m = -0.5556Slope-intercept form of line: y = -0.5556x+8.5556
Canonical form of the line equation: 5x+9y-77 = 0
Parametric form of the line equation:
x = 9t+1
y = -5t+8 ; t ∈ R
Slope angle of line: φ = -29°3'17″ = -0.5071 rad
X intercept: x0 = 15.4
Y intercept: y0 = q = 8.5556
Distance line from the origin: d0 = 7.4789
The length of the segment AB: |AB| = 10.2956
Vector: AB = (9; -5)
Normal vector: n = (5; 9)
Midpoint of the segment AB: M = [5.5; 5.5]
Perpendicular Bisector equation: 9x-5y-22 = 0
Vector OA = (1; 8) ; |OA| = 8.0623
Vector OB = (10; 3) ; |OB| = 10.4403
Scalar product OA .OB = 34
Angle ∠ AOB = 66°10'33″ = 1.155 rad