Line slope calculator 7x+9y=79


Enter coordinates of two different points:

Straight line given by points A[1; 8] and B[10; 1]

Calculation:

Slope-intercept form of line: y = -0.7778x+8.7778

Canonical form of the line equation: 7x+9y-79 = 0

Parametric form of the line equation:
x = 9t+1
y = -7t+8      ; t ∈ R

Slope: m = -0.7778

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

X intercept: x0 = 11.2857

Y intercept: y0 = q = 8.7778

Distance line from the origin: d0 = 6.9288

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

Vector: AB = (9; -7)

Normal vector: n = (7; 9)

Midpoint of the segment AB: M = [5.5; 4.5]

Perpendicular Bisector equation: 9x-7y-18 = 0


Vector OA = (1; 8) ;   |OA| = 8.0623
Vector OB = (10; 1) ;   |OB| = 10.0499
Scalar product OA .OB = 18
Angle ∠ AOB = 77°9'52″ = 1.3468 rad