# Blog

### Elimination Method – Steps, Techniques, and Examples

The elimination method is an important technique widely used when we’re working with systems of linear equations. It is essential to add this to

### y = x Reflection – Definition, Process and Examples

The $boldsymbol{ y = x}$ reflection is simply “flipping” a shape or a point over a diagonal line. Since $y= x$ reflection is a special type of

### Parseval’s Theorem – Definition, Conditions and Applications

Parseval’s theorem is an important theorem used to relate the product or square of functions using their respective Fourier series components.

### Closed Under Addition – Property, Type of Numbers, and Examples

The phrase “closed under addition” is often mentioned when studying the properties and characteristics of different types of numbers. The

### Congruent Supplementary Angles – Definition, Measure and Explanation

Congruent supplementary angles are angles that meet two conditions — they are congruent and they are supplementary. These angles share these