The significant models to explain mathematical relationships are represented by

The significant models to explain mathematical relationships are often represented by equations, graphs, and diagrams.

1. Equations: These are mathematical statements that assert the equality of two expressions. They provide a way to express a mathematical relationship between different quantities. For example, the equation y = 2x + 3 represents a linear relationship between x and y.

2. Graphs: These are visual representations of mathematical relationships. They can be used to represent equations, functions, and data. For example, a graph of the equation y = 2x + 3 would be a straight line with a slope of 2 and a y-intercept of 3.

3. Diagrams: These are also visual tools used to represent mathematical relationships. They can be used to illustrate concepts, solve problems, and prove theorems. For example, a Venn diagram can be used to represent the relationships between different sets.

These models are significant because they provide different ways to understand and interpret mathematical relationships. They can help to visualize and solve complex problems, and they can also be used to communicate mathematical ideas to others.