# Unit: Quadratic expressions (9.9)

## Lessons:

12 lessons

### Recognising linear and non-linear graphs

In this lesson you will learn to recognise the difference between linear and nonlinear graphs.

### Plotting quadratics (Part 1)

In this lesson you will learn about the shape of a quadratic graph and begin plotting graphs of quadratic equations.

### Plotting quadratics (Part 2)

In this lesson you will identify and plot quadratic graphs.

### Quadratic contexts

In this lesson we will explore different situations that can be modelled by quadratics.

### Maximum and minimum area

In this lesson we will explore how we can use quadratic graphs to solve maximum and minimum problems.

### Distributive property

In this lesson you will learn more about applying the distributive property with variables.

### Expanding double brackets

In this lesson you will learn more about expanding double brackets.

### Difference of two squares

In this lesson you will learn about the difference of two squares.

### Factorising quadratics (Part 1)

In this lesson you will learn how we can factorise quadratics using an array.

### Factorising quadratics (Part 2)

In this lesson we will further develop your ability to factorise quadratics.

### Sketching quadratics

In this lesson you will learn how to sketch quadratics.

### Interesting quadratic patterns

In this lesson you will explore different patterns related to quadratics.