Line slope calculator 4x-9y=-9
Straight line given by points A[0; 1] and B[9; 5]
Calculation:
Slope: m = 0.4444Slope-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 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