Line slope calculator 4x+9y=90


Enter coordinates of two different points:

Straight line given by points A[0; 10] and B[9; 6]

Calculation:

Slope-intercept form of line: y = -0.4444x+10

Canonical form of the line equation: 4x+9y-90 = 0

Parametric form of the line equation:
x = 9t
y = -4t+10      ; t ∈ R

Slope: m = -0.4444

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

X intercept: x0 = 22.5

Y intercept: y0 = q = 10

Distance line from the origin: d0 = 9.1381

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; 8]

Perpendicular Bisector equation: 9x-4y-8.5 = 0


Vector OA = (0; 10) ;   |OA| = 10
Vector OB = (9; 6) ;   |OB| = 10.8167
Scalar product OA .OB = 60
Angle ∠ AOB = 56°18'36″ = 0.9828 rad