Line slope calculator 4x-9y=-36
Straight line given by points A[0; 4] and B[9; 8]
Calculation:
Slope: m = 0.4444Slope-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 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