# Line slope calculator 7x+y=29

**Straight line given by points A[3; 8] and B[4; 1]**

## Calculation:

**Slope-intercept form of line:**y = -7x+29

**Canonical form of the line equation:**7x+y-29 = 0

**Parametric form of the line equation:**

x = t+3

y = -7t+8 ; t ∈ R

**Slope:**m = -7

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

**X intercept:**x

_{0}= 4.1429

**Y intercept:**y

_{0}= q = 29

**Distance line from the origin:**d

_{0}= 4.1012

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

**Vector: AB =**(1; -7)

**Normal vector: n =**(7; 1)

**Midpoint of the segment AB: M =**[3.5; 4.5]

**Perpendicular Bisector equation:**x-7y+28 = 0

**Vector OA = (3; 8) ; |OA| = 8.544**

**Vector OB = (4; 1) ; |OB| = 4.1231**

**Scalar product OA .OB = 20**

**Angle ∠ AOB = 55°24'28″ = 0.967 rad**