Line slope calculator 3x+4y=21
Straight line given by points A[3; 3] and B[7; 0]
Calculation:
Slope: m = -0.75Slope-intercept form of line: y = -0.75x+5.25
Canonical form of the line equation: 3x+4y-21 = 0
Parametric form of the line equation:
x = 4t+3
y = -3t+3 ; t ∈ R
Slope angle of line: φ = -36°52'12″ = -0.6435 rad
X intercept: x0 = 7
Y intercept: y0 = q = 5.25
Distance line from the origin: d0 = 4.2
The length of the segment AB: |AB| = 5
Vector: AB = (4; -3)
Normal vector: n = (3; 4)
Midpoint of the segment AB: M = [5; 1.5]
Perpendicular Bisector equation: 4x-3y-15.5 = 0
Vector OA = (3; 3) ; |OA| = 4.2426
Vector OB = (7; 0) ; |OB| = 7
Scalar product OA .OB = 21
Angle ∠ AOB = 45° = 0.7854 rad