Line slope calculator 8x+7y=72
Straight line given by points A[2; 8] and B[9; 0]
Calculation:
Slope: m = -1.1429Slope-intercept form of line: y = -1.1429x+10.2857
Canonical form of the line equation: 8x+7y-72 = 0
Parametric form of the line equation:
x = 7t+2
y = -8t+8 ; t ∈ R
Slope angle of line: φ = -48°48'51″ = -0.852 rad
X intercept: x0 = 9
Y intercept: y0 = q = 10.2857
Distance line from the origin: d0 = 6.7732
The length of the segment AB: |AB| = 10.6301
Vector: AB = (7; -8)
Normal vector: n = (8; 7)
Midpoint of the segment AB: M = [5.5; 4]
Perpendicular Bisector equation: 7x-8y-6.5 = 0
Vector OA = (2; 8) ; |OA| = 8.2462
Vector OB = (9; 0) ; |OB| = 9
Scalar product OA .OB = 18
Angle ∠ AOB = 75°57'50″ = 1.3258 rad