Line slope calculator 7x-8y=-1


Enter the coordinates of two different points:
Line slope diagram

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

Calculation:

Slope: m = 0.875

Slope-intercept form of line: y = 0.875x+0.125

Canonical form of the line equation: 7x-8y+1 = 0

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

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

X intercept: x0 = -0.1429

Y intercept: y0 = q = 0.125

Distance line from the origin: d0 = 0.0941

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-71.5 = 0

Vector OA = (1; 1) ;   |OA| = 1.4142
Vector OB = (9; 8) ;   |OB| = 12.0416
Scalar product OA .OB = 17
Angle ∠ AOB = 3°21'59″ = 0.0588 rad