Download presentation

Presentation is loading. Please wait.

Published byMolly Hughley Modified over 2 years ago

1
Changing the Subject of a Formula Dr Frost

2
Motivation The formula to calculate a temperature in Fahrenheit if we have the temperature in Celsius: But what if we had say the temperature in Fahrenheit, and wanted to know it in Celsius?

3
Motivation If we have some value of F, we can now more easily substitute it in to give us a value for C. C is now the subject of the formula.

4
Learning Objectives Be able to make a term the subject of a formula, possibly involving brackets, squared terms and square roots.

5
‘Solving’ an equation Solving an equation means that we make a given variable the subject of the formula. x = ?

6
Questions STP9A - Page 188 – Exercise 9D: Q1, 3, 5. – Exercise 9E: Odd questions.

7
Frost Conundrum At what temperature do we get the same reading regardless of whether we use Fahrenheit or Celsius?

8
Recap Make x the subject.

9
Questions Rayner – page 176 – Exercise 4 – Exercise 5

Similar presentations

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google