Line slope calculator 9x+7y=88
Straight line given by points A[2; 10] and B[9; 1]
Calculation:
Slope: m = -1.2857Slope-intercept form of line: y = -1.2857x+12.5714
Canonical form of the line equation: 9x+7y-88 = 0
Parametric form of the line equation:
x = 7t+2
y = -9t+10 ; t ∈ R
Slope angle of line: φ = -52°7'30″ = -0.9098 rad
X intercept: x0 = 9.7778
Y intercept: y0 = q = 12.5714
Distance line from the origin: d0 = 7.7181
The length of the segment AB: |AB| = 11.4018
Vector: AB = (7; -9)
Normal vector: n = (9; 7)
Midpoint of the segment AB: M = [5.5; 5.5]
Perpendicular Bisector equation: 7x-9y+11 = 0
Vector OA = (2; 10) ; |OA| = 10.198
Vector OB = (9; 1) ; |OB| = 9.0554
Scalar product OA .OB = 28
Angle ∠ AOB = 72°21' = 1.2627 rad