# Explainers [1–100 of 378 explainers]

- Standard Deviation of Discrete Random Variables
- Newtonâ€™s Third Law of Motion
- Solving Exponential Equations Using Exponent Properties
- Dependent and Independent Events
- Correlation
- Continuous Random Variables
- Quadratic Equations: Coefficients and Roots
- Applications on Motion with Uniform Acceleration
- Exponential Functions
- đť‘›th Roots: Integers
- Finding the Arithmetic Sequence
- The Fundamental Theorem of Calculus: Evaluating Definite Integrals
- Graphs of Piecewise Functions
- Representing Sequences
- Angle between Two Straight Lines in Space
- Pearsonâ€™s Correlation Coefficient
- Cross Product in 3D
- Vertical Motion under Gravity
- Applications of Normal Distribution
- Motion of a Body on a Smooth Inclined Plane
- Impulse and Momentum
- Parallel and Perpendicular Vectors in Space
- Vector Operations in 3D
- Relative Velocity
- Even and Odd Functions
- Arithmetic Series
- The Angle between Two Planes and between a Plane and a Straight Line
- Equation of a Straight Line in Space: Cartesian and Vector Forms
- Parallel Lines and Transversals: Proportional Parts
- Sign of a Function
- Sum of an Infinite Geometric Sequence
- Normal Distribution
- Two-by-Two Determinants
- Directed Angles
- Direction Angles and Direction Cosines
- Vectors in Space
- Equation of a Plane: Intercept and Parametric Forms
- Logarithmic Functions
- Combining Functions
- Cross Product in 2D
- Critical Points and Local Extrema of a Function
- Conservation of Energy
- Expected Values of Discrete Random Variables
- Concavity and Points of Inflection
- Resultant of Parallel Forces
- Combination
- Permutation
- Absolute Extrema
- Absolute Value Functions
- The Equilibrium of a Body on a Rough Horizontal Plane
- Heronâ€™s Formula
- Interpreting Graphs of Derivatives
- Piecewise Functions
- Sum of a Finite Geometric Sequence
- Integration by Substitution: Indefinite Integrals
- Equation of a Sphere
- Integrals Resulting in Logarithmic Functions
- Applications of Newtonâ€™s Second Law: Horizontal Pulley
- Properties of Inverse Matrices
- Eulerâ€™s Number as a Limit
- Indefinite Integrals: Exponential and Reciprocal Functions
- Center of Mass of Laminas
- Dot Product in 3D
- Second Derivatives of Parametric Equations
- Derivatives of Parametric Equations
- Logarithmic Differentiation
- Related Rates
- Applications of Indefinite Integration
- Triangle of Forces
- Moments in 2D
- Work and Integration
- Differentiation of Logarithmic Functions
- Spearmanâ€™s Rank Correlation Coefficient
- Adding and Subtracting Matrices
- Scalar Projection
- Newtonâ€™s First Law of Motion
- Work Done by a Constant Force
- Scalar Multiplication and Unit Vectors
- Kinetic Energy
- Scalar Triple Product
- Potential Energy
- Points, Midpoints, and Distances in Space
- Magnitude of a Vector in 3D
- Position, Displacement, and Distance
- Equilibrium of a Rigid Body under Parallel Forces
- Newtonâ€™s Second Law: Constant Mass
- Power as the Rate of Work
- Work Done by a Force Expressed in Vector Notation
- Moment of a Couple
- Newtonâ€™s Second Law: Variable Mass
- Equation of a Straight Line: General Form
- Speed
- Equilibrium of a Rigid Body
- Power
- LU Decomposition: Doolittleâ€™s Method
- Elementary Matrices
- Theoretical Probability
- Comparing Two Distributions Using Box Plots
- Solution Cases of System of Linear Equations
- Rank of a Matrix