Week 1: Vectors Flashcards
1
Q
What is the distance formula for 3D points?
A
d = √[(x₂-x₁)² + (y₂-y₁)² +(z₂-z₁)²]
2
Q
What is the equation of a sphere?
A
(x-h)² + (y-k)² + (z-l)² = r²
3
Q
How do you determine the magnitude of a vector?
A
a | = √[ax² + ay² az²]
4
Q
What happens when you multiply a vector by a scalar value?
A
It multiplies across all the components of the vector.
