Line slope calculator 9x-4y=-4


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[0; 1] and B[4; 10]

Calculation:

Slope: m = 2.25

Slope-intercept form of line: y = 2.25x+1

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

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

Slope angle of line: φ = 66°2'15″ = 1.1526 rad

X intercept: x0 = -0.4444

Y intercept: y0 = q = 1

Distance line from the origin: d0 = 0.4061

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

Vector: AB = (4; 9)

Normal vector: n = (9; -4)

Midpoint of the segment AB: M = [2; 5.5]

Perpendicular Bisector equation: 4x+9y-57.5 = 0

Vector OA = (0; 1) ;   |OA| = 1
Vector OB = (4; 10) ;   |OB| = 10.7703
Scalar product OA .OB = 10
Angle ∠ AOB = 21°48'5″ = 0.3805 rad