Line slope calculator 7x-9y=-9


Enter coordinates of two different points:

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

Calculation:

Slope-intercept form of line: y = 0.7778x+1

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

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

Slope: m = 0.7778

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

X intercept: x0 = -1.2857

Y intercept: y0 = q = 1

Distance line from the origin: d0 = 0.7894

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-72 = 0


Vector OA = (0; 1) ;   |OA| = 1
Vector OB = (9; 8) ;   |OB| = 12.0416
Scalar product OA .OB = 8
Angle ∠ AOB = 48°21'59″ = 0.8442 rad