HSC Together Year 12 Maths Standard: Interpolation and Extrapolation

#### Maths Standard

• Simultaneous Linear Equations
• Non-linear Relationships
• Non-Right Angled Trigonometry
• Rates and Ratios
• Investments and Loans
• Annuities
• Bivariate Data Analysis
• The Normal Distribution
• Network Concepts
• Critical Path Analysis
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# Interpolation and Extrapolation

### What is Interpolation and Extrapolation?

In maths, we use interpolation and extrapolation to predict values in relation to the data. Interpolation refers to using the data in order to predict data within the dataset. Extrapolation is the use of the data set to predict beyond the data set. The following videos explain this concept in more detail and provide examples on how to make predictions using interpolation and extrapolation in HSC Standard Math.

### What is the difference between interpolation and extrapolation?

The following videos explain the difference between interpolation and extrapolation and what the predictions tell us.

### How to predict using interpolation and extrapolation

The following video uses an example to predict and also outlines the problems that come from predicting data.

The following video explains the elimination method in algebra more thoroughly.

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