Line slope calculator 2x+7y=21


Enter coordinates of two different points:

Straight line given by points A[0; 3] and B[7; 1]

Calculation:

Slope-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: m = -0.2857

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