
Rearranging Formulas to Find the Subject
Practice rearranging formulas to isolate the subject in equations where it appears twice. Work through examples and practice rearranging formulas step by step.
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Presentation Transcript
Rearranging formulae where Rearranging formulae where the subject appears twice the subject appears twice Silent Teacher Intelligent Practice Your Turn Narration ?? + ?? = 3 ?? + ? = 3? + ?? ? ? ? + ?= ? Practice
Worked Example Your Turn Make ? the subject of the following formula Make ? the subject of the following formula ?? + ?? = 3 ?? + ?? = 5 @MrC_Cooper
Worked Example Your Turn Make ? the subject of the following formula Make ? the subject of the following formula ?? + 3? = 7? + ?? ?? + 2? = 5? + ?? @MrC_Cooper
Make ? the subject of the following formulae 1. ?? + ?? = 3 8. ? ? + ? = ?(? + ?) 9. ? ? ?+?= ? 2. 3? + ?? = ? 3. ? 3 + ? + 2? = ? 10. ? ? =?+2 ? 4. 2? = ? + ?? ?+? ? ?= 2 11. 5. ?? + ? = 3? 6. ?? ? = ?? ?(?+?) ? = ? 12. 7. ?? + ? = 3? + ?? @MrC_Cooper
Make ? the subject of the following formulae ? 1. ?? + ?? = 3 8. ? ? + ? = ?(? + ?) ? = ? =?? ?? ? ? ? + ? ? ? =? ?? ? + ? 9. ? ? ?+?= ? 2. 3? + ?? = ? ? = ? + ? ? 3. ? 3 + ? + 2? = ? ? = ? =??+ ? ? ? 10. ? ? =?+2 ? + ? ? ? 4. 2? = ? + ?? ? = ? ? ? =?? ?+? ? ?= 2 11. ? ? 5. ?? + ? = 3? ? = ? ? ? 6. ?? ? = ?? ? = ?? ?(?+?) ? ? ? = ? 12. ? = ?? ? ?? ? ? 7. ?? + ? = 3? + ?? ? = @MrC_Cooper