# Solve equations using f(x) =

In this lesson, we will use knowledge of using inverse functions to solve equations using f(x)

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letβs see what you can remember from this topic. Hereβs a quick quiz!

Q1.f(π₯) = 4π₯ Find the value of f(7)

1/3

Q2.f(π₯) = 4π₯ - 8 Find the value of f(0.2)

2/3

Q3.

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letβs see what you can remember from this topic. Hereβs a quick quiz!

Q1.f(π₯) = 4π₯ Find the value of f(7)

1/3

Q2.f(π₯) = 4π₯ - 8 Find the value of f(0.2)

2/3

Q3.

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the βResume Videoβ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click βNextβ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Solve equations using f(x) =

Donβt worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.f(π₯) = 5π₯ Solve the following equation f(π₯) = 95

1/3

Q2.

2/3

Q3.

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Solve equations using f(x) =

Donβt worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.f(π₯) = 5π₯ Solve the following equation f(π₯) = 95

1/3

Q2.

2/3

Q3.

3/3

# Lesson summary: Solve equations using f(x) =

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga