direct variation 27 videos

Direct Variation
Algebra 2 Functions
How to define direct variation.
direct variation proportional constant of variation 
Direct Variation
Algebra Linear Equations and Their Graphs
How to tell if two variables vary directly.
direct variation y intercept constant of variation 
Genetic Variation
Biology Mendelian Genetics
Understanding the concept of genetic variation.
genetic variation 
Indirect Variation
Algebra 2 Functions
How to define indirect variation.
indirect variation inverse proportion constant of variation 
Vector Direction
Physics Linear and Projectile Motion
How to predict the direction of a vector.
vector direction magnitude velocity 
Joint and Combined Variation
Algebra 2 Functions
How to define joint and combined variation.
joint variation combined variation 
Inverse Variation
Algebra Linear Equations and Their Graphs
How to tell if two variables vary inversely.
inverse variation constant of variation product rule for inverse variation 
The Resultant of Two Forces
Precalculus Vectors and Parametric Equations
How to find the resultant of two forces when they are parallel, opposite, or perpendicular in direction.
Forces Resultant Vector Addition Magnitude Direction The Pythagorean Theorem 
Adaptive Radiation
Biology Evolution
The fast evolution of species with a common ancestor.
adaptive variation 
Quotation Marks
Grammar Punctuation
The rules for using quotation marks.
quotation marks direction quotations 
Components of Vectors
Physics Linear and Projectile Motion
Understanding the components of vectors.
vectors magnitude direction 
Vector Quantities  Scalar Quantities
Physics Linear and Projectile Motion
Understanding the differences between vectors and scalar quantities.
vector scalar quantities magnitude direction 
Isomers Stereoisomers
Chemistry Organic Chemistry
Understanding the variations in the structure and composition of individual molecules with the same chemical formula.
isomers stereoisomers structural isomer geometric isomer optical isomer 
ACT Reading Section
ACT ACT Reading
Short, helpful video on ACT Reading section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Reading section overview directions format pacing 
ACT Science Section
ACT ACT Science
Short, helpful video on ACT Science section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Science section overview directions format pacing 
The Geometric Representation of Vectors
Precalculus Vectors and Parametric Equations
How to understand what vectors are, and how they can be represented geometrically.
Magnitude Direction Scalar Vector Directed Line Segment Initial Point Terminal Point 
Navigation Problems
Precalculus Vectors and Parametric Equations
How we measure airspeed, wind, groundspeed, and other variables in navigation.
navigation airplane flight airspeed heading groundspeed course wind speed wind direction vector addition magnitude direction 
Lines in 3D
Precalculus Vectors and Parametric Equations
How to find the vector and parametric equations of a line when given two points on the line.
the vector equation of a line position vectors direction vector parametric equations 
Rotations
Geometry Transformations
How to define a rotation and what information is necessary to perform a rotation.
isometry transformation point of rotation angle of rotation direction counterclockwise clockwise