Line slope calculator 2x+7y=21
Straight line given by points A[0; 3] and B[7; 1]
Calculation:
Slope: m = -0.2857Slope-intercept form of line: y = -0.2857x+3
Canonical form of the line equation: 2x+7y-21 = 0
Parametric form of the line equation:
x = 7t
y = -2t+3 ; t ∈ R
Slope angle of line: φ = -15°56'43″ = -0.2783 rad
X intercept: x0 = 10.5
Y intercept: y0 = q = 3
Distance line from the origin: d0 = 2.8846
The length of the segment AB: |AB| = 7.2801
Vector: AB = (7; -2)
Normal vector: n = (2; 7)
Midpoint of the segment AB: M = [3.5; 2]
Perpendicular Bisector equation: 7x-2y-20.5 = 0
Vector OA = (0; 3) ; |OA| = 3
Vector OB = (7; 1) ; |OB| = 7.0711
Scalar product OA .OB = 3
Angle ∠ AOB = 81°52'12″ = 1.4289 rad