Line slope calculator 7x+9y=72


Enter coordinates of two different points:

Straight line given by points A[0; 8] and B[9; 1]

Calculation:

Slope-intercept form of line: y = -0.7778x+8

Canonical form of the line equation: 7x+9y-72 = 0

Parametric form of the line equation:
x = 9t
y = -7t+8      ; t ∈ R

Slope: m = -0.7778

Slope angle of line: φ = -37°52'30″ = -0.661 rad

X intercept: x0 = 10.2857

Y intercept: y0 = q = 8

Distance line from the origin: d0 = 6.3148

The length of the segment AB: |AB| = 11.4018

Vector: AB = (9; -7)

Normal vector: n = (7; 9)

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

Perpendicular Bisector equation: 9x-7y-9 = 0


Vector OA = (0; 8) ;   |OA| = 8
Vector OB = (9; 1) ;   |OB| = 9.0554
Scalar product OA .OB = 8
Angle ∠ AOB = 83°39'35″ = 1.4601 rad