Line slope calculator 7x+8y=71


Enter coordinates of two different points:

Straight line given by points A[1; 8] and B[9; 1]

Calculation:

Slope-intercept form of line: y = -0.875x+8.875

Canonical form of the line equation: 7x+8y-71 = 0

Parametric form of the line equation:
x = 8t+1
y = -7t+8      ; t ∈ R

Slope: m = -0.875

Slope angle of line: φ = -41°11'9″ = -0.7188 rad

X intercept: x0 = 10.1429

Y intercept: y0 = q = 8.875

Distance line from the origin: d0 = 6.6791

The length of the segment AB: |AB| = 10.6301

Vector: AB = (8; -7)

Normal vector: n = (7; 8)

Midpoint of the segment AB: M = [5; 4.5]

Perpendicular Bisector equation: 8x-7y-8.5 = 0


Vector OA = (1; 8) ;   |OA| = 8.0623
Vector OB = (9; 1) ;   |OB| = 9.0554
Scalar product OA .OB = 17
Angle ∠ AOB = 76°32'5″ = 1.3358 rad