Line slope calculator 4x+9y=76


Enter coordinates of two different points:

Straight line given by points A[1; 8] and B[10; 4]

Calculation:

Slope-intercept form of line: y = -0.4444x+8.4444

Canonical form of the line equation: 4x+9y-76 = 0

Parametric form of the line equation:
x = 9t+1
y = -4t+8      ; t ∈ R

Slope: m = -0.4444

Slope angle of line: φ = -23°57'45″ = -0.4182 rad

X intercept: x0 = 19

Y intercept: y0 = q = 8.4444

Distance line from the origin: d0 = 7.7166

The length of the segment AB: |AB| = 9.8489

Vector: AB = (9; -4)

Normal vector: n = (4; 9)

Midpoint of the segment AB: M = [5.5; 6]

Perpendicular Bisector equation: 9x-4y-25.5 = 0


Vector OA = (1; 8) ;   |OA| = 8.0623
Vector OB = (10; 4) ;   |OB| = 10.7703
Scalar product OA .OB = 42
Angle ∠ AOB = 61°4'25″ = 1.0659 rad