# Line slope calculator 2x-7y=-3

**Straight line given by points A[2; 1] and B[9; 3]**

## Calculation:

**Slope-intercept form of line:**y = 0.2857x+0.4286

**Canonical form of the line equation:**2x-7y+3 = 0

**Parametric form of the line equation:**

x = 7t+2

y = 2t+1 ; t ∈ R

**Slope:**m = 0.2857

**Slope angle of line: φ =**15°56'43″ = 0.2783 rad

**X intercept:**x

_{0}= -1.5

**Y intercept:**y

_{0}= q = 0.4286

**Distance line from the origin:**d

_{0}= 0.4121

**The length of the segment AB: |AB| =**7.2801

**Vector: AB =**(7; 2)

**Normal vector: n =**(2; -7)

**Midpoint of the segment AB: M =**[5.5; 2]

**Perpendicular Bisector equation:**7x+2y-42.5 = 0

**Vector OA = (2; 1) ; |OA| = 2.2361**

**Vector OB = (9; 3) ; |OB| = 9.4868**

**Scalar product OA .OB = 21**

**Angle ∠ AOB = 8°7'48″ = 0.1419 rad**