# representation   4 videos

• #### Data Representation

##### ACTACT Science

Short, helpful video on data representation passages by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.

Representation passage strategies
• #### The Geometric Representation of Vectors

##### PrecalculusVectors 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
• #### Algebraic Representation of Vectors

##### PrecalculusVectors and Parametric Equations

How to express a position vector algebraically in component form <a,b>, and how to compute its magnitude.

position vector vector components horizontal component vertical component component form magnitude length
• #### Adding/Subtracting Fractions- Like Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Adding and subtracting fractions that have the same denominator, including a visual representation