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Secondary

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  • Subject : Mathematics
  • Year: 10
  • Unit: More equations, formulae and functions.
  • Key Learning Area: Past Papers

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STARTER: (2 minutes)

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Inverse functions

  • Walt:
  • How do you evaluate problems in more equations, formulae and functions ?

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Wilf: Able to understand and apply how to change the subject of a formulae.

Able to analyze and solve the inverse of a function using a flow chart and by reversing the mapping. Able to evaluate, judge inverse of a function using a flow chart and by reversing the mapping.

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Recap: (2 minutes)

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Step 1:Write out the function as y=…..

Step 2:Swap the x and y

Step 3:Make y the subject

Step 4:Instead of y write 𝑓−1(x)=

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Mini-Plenary: (3 minutes)

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2)

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3)

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4)

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5)

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6)

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6)

b)

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6)

c)

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6)

d)

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Extended Task : Marking Scheme

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Plenary:( 5 minutes)

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Test yourself

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Plenary:( 5 minutes)

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