Line slope calculator 7x+y=15


Enter the coordinates of two different points:
Line slope diagram

Straight line given by points A[1; 8] and B[2; 1]

Calculation:

Slope: m = -7

Slope-intercept form of line: y = -7x+15

Canonical form of the line equation: 7x+y-15 = 0

Parametric form of the line equation:
x = t+1
y = -7t+8      ; t ∈ R

Slope angle of line: φ = -81°52'12″ = -1.4289 rad

X intercept: x0 = 2.1429

Y intercept: y0 = q = 15

Distance line from the origin: d0 = 2.1213

The length of the segment AB: |AB| = 7.0711

Vector: AB = (1; -7)

Normal vector: n = (7; 1)

Midpoint of the segment AB: M = [1.5; 4.5]

Perpendicular Bisector equation: x-7y+30 = 0

Vector OA = (1; 8) ;   |OA| = 8.0623
Vector OB = (2; 1) ;   |OB| = 2.2361
Scalar product OA .OB = 10
Angle ∠ AOB = 56°18'36″ = 0.9828 rad