Line slope calculator 8x+7y=72


Enter coordinates of two different points:

Straight line given by points A[2; 8] and B[9; 0]

Calculation:

Slope-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: m = -1.1429

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