Line slope calculator 4x-9y=-36


Enter coordinates of two different points:

Straight line given by points A[0; 4] and B[9; 8]

Calculation:

Slope-intercept form of line: y = 0.4444x+4

Canonical form of the line equation: 4x-9y+36 = 0

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

Slope: m = 0.4444

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

X intercept: x0 = -9

Y intercept: y0 = q = 4

Distance line from the origin: d0 = 3.6552

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

Vector: AB = (9; 4)

Normal vector: n = (4; -9)

Midpoint of the segment AB: M = [4.5; 6]

Perpendicular Bisector equation: 9x+4y-64.5 = 0


Vector OA = (0; 4) ;   |OA| = 4
Vector OB = (9; 8) ;   |OB| = 12.0416
Scalar product OA .OB = 32
Angle ∠ AOB = 48°21'59″ = 0.8442 rad