Line slope calculator 3x-8y=-21
Straight line given by points A[1; 3] and B[9; 6]
Calculation:
Slope: m = 0.375Slope-intercept form of line: y = 0.375x+2.625
Canonical form of the line equation: 3x-8y+21 = 0
Parametric form of the line equation:
x = 8t+1
y = 3t+3 ; t ∈ R
Slope angle of line: φ = 20°33'22″ = 0.3588 rad
X intercept: x0 = -7
Y intercept: y0 = q = 2.625
Distance line from the origin: d0 = 2.4579
The length of the segment AB: |AB| = 8.544
Vector: AB = (8; 3)
Normal vector: n = (3; -8)
Midpoint of the segment AB: M = [5; 4.5]
Perpendicular Bisector equation: 8x+3y-53.5 = 0
Vector OA = (1; 3) ; |OA| = 3.1623
Vector OB = (9; 6) ; |OB| = 10.8167
Scalar product OA .OB = 27
Angle ∠ AOB = 37°52'30″ = 0.661 rad