# Explainers [101–200 of 1281 explainers]

- Linear Relations: 𝑎𝑥+𝑏𝑦=𝑐
- Geometric Constructions: Perpendicular Lines
- How Switches Work
- Air Resistance
- Cumulative Frequency Graphs
- Grouped Frequency Tables
- Intervals
- Inequalities and Interval Notation
- Solving Linear Equations over the Real Numbers
- Types of Soil
- Factoring by Completing the Square
- Place Value of Numbers up to 1,000,000
- Rotations on the Coordinate Plane
- Geometric Transformations
- Grouped Frequency Tables: Estimating the Mean
- Translations
- Descending Cumulative Frequency Graphs
- Grouped Frequency Tables: Estimating the Median
- Geometric Construction: Congruent Angles and Parallel Lines
- Components of Earth
- Angle Relationships
- Basic Economic Concepts
- Stock Market
- Fundamental Economic Problem
- Converting between Fractions and Recurring Decimals
- Translations on a Coordinate Plane
- Equality of the Areas of Two Parallelograms
- Relating Volumes and Surface Areas
- Triangle Midsegment Theorems
- Multiplying an Algebraic Expression by a Monomial
- Polynomial Long Division without Remainder
- Monomials, Binomials, and Trinomials
- Laws of Exponents over the Real Numbers
- Laws of Exponents
- Converting between Fractions, Decimals, and Percentages
- Factoring Trinomials
- Reflections
- Geometric Constructions: Angle Bisectors
- Rotations about a Point
- Deductive Proof for Geometric Properties
- Grouped Frequency Tables: Estimating the Mode
- Properties and Special Cases of Parallelograms
- Similarity of Triangles
- Triangle Inequality
- Reflections on the Coordinate Plane
- Pythagorean Inequality Theorem
- Addition of Rational Numbers
- Properties of Addition of Rational Numbers
- The Mean of a Data Set
- Evaluating Algebraic Expressions
- Congruent Triangles
- Order of Operations: Exponents
- Multistep Inequalities
- Parallel Lines and Transversals: Other Relationships
- Writing Algebraic Expressions
- Atomic Model
- Corollaries of Isosceles Triangle Theorems
- Coordinate Planes
- Simplifying Exponential Expressions with Integer Exponents
- The Structure and Function of the Digestive System
- Interior and Exterior Angles of Triangles
- Operations on Cube Roots
- Multistep Equations
- Subtraction of Rational Numbers
- Geometric Concepts
- Interpreting Graphs of Derivatives
- Applications of Triangle Congruence
- Real Numbers
- Projections
- Isosceles Triangle Theorems
- Introduction to Inequalities in Triangles
- Area of a Trapezoid
- Properties of Operations over the Real Numbers
- Congruent Polygons
- Probability and Simple Events
- Power and Exponents over the Real Numbers
- Equality of the Areas of Two Triangles
- Similarity of Polygons
- Properties of Multiplication in a Set of Rational Numbers
- Areas and Circumferences of Circles
- Addition and Subtraction of Algebraic Expressions
- Multiplying and Dividing Square Roots
- Rationalizing Denominators
- Factoring Using the Highest Common Factor
- Solving Quadratic and Quadratic-Like Equations by Factoring
- The Present Simple and the Past Simple
- Right Triangle Altitude Theorem
- Comparing and Ordering Real Numbers
- Dividing Rational Numbers
- Powers and Exponents for Rational Numbers
- Multiplying Rational Numbers
- Rational and Irrational Numbers
- Volumes of Spheres
- Sum and Difference of Two Cubes
- Experimental Probability
- Conservation of Elements
- Simple Random Sample
- Theoretical Probability
- The Set of Rational Numbers
- Evaluating Expressions: Exponents