math 1229 formulas

To find distance

To find length or unit vector

What is the value of a unit vector

1

How to find vector w same direction

Vector w/ opp direction?

Dot product formula

How to find u*v if given cos angle

How to find cos angle

How to find value of k if two vectors are orthogonal

How to determine if orthogonal

What to do if question states vectors equivalent to directed line segments (x,y) and (x2,y2) and from (x3,y3) to (x4,y4)?

Cross product

Area of parallelogram

Area of triangle

Volume of parallelepiped

What is considered linear and not linear

What is point normal form

What is standard form formula

How to find eq in point normal or standard for a plane which is through point P and parallel to the vector u and v?

How to find distance from plane determined by P,Q,R

Point parallel form

Parametric form

Two point parallel

POI for one line

POI for two lines parametric form

What is considered a linear equation?

How to find augmented matrix of a give SLE

What are the three elementary row operations

Reduced row echelon form 4 conditions