Line slope calculator 4x-9y=-9


Enter coordinates of two different points:

Straight line given by points A[0; 1] and B[9; 5]

Calculation:

Slope-intercept form of line: y = 0.4444x+1

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

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

Slope: m = 0.4444

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

X intercept: x0 = -2.25

Y intercept: y0 = q = 1

Distance line from the origin: d0 = 0.9138

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; 3]

Perpendicular Bisector equation: 9x+4y-52.5 = 0


Vector OA = (0; 1) ;   |OA| = 1
Vector OB = (9; 5) ;   |OB| = 10.2956
Scalar product OA .OB = 5
Angle ∠ AOB = 60°56'43″ = 1.0637 rad