# Line slope calculator 7x-9y=-20

**Straight line given by points A[1; 3] and B[10; 10]**

## Calculation:

**Slope-intercept form of line:**y = 0.7778x+2.2222

**Canonical form of the line equation:**7x-9y+20 = 0

**Parametric form of the line equation:**

x = 9t+1

y = 7t+3 ; t ∈ R

**Slope:**m = 0.7778

**Slope angle of line: φ =**37°52'30″ = 0.661 rad

**X intercept:**x

_{0}= -2.8571

**Y intercept:**y

_{0}= q = 2.2222

**Distance line from the origin:**d

_{0}= 1.7541

**The length of the segment AB: |AB| =**11.4018

**Vector: AB =**(9; 7)

**Normal vector: n =**(7; -9)

**Midpoint of the segment AB: M =**[5.5; 6.5]

**Perpendicular Bisector equation:**9x+7y-95 = 0

**Vector OA = (1; 3) ; |OA| = 3.1623**

**Vector OB = (10; 10) ; |OB| = 14.1421**

**Scalar product OA .OB = 40**

**Angle ∠ AOB = 26°33'54″ = 0.4636 rad**