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Integers, SM-Bank 060

Explain why  `(-5)^2` is not the same as `-5^2\`.  (2 marks)

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`(-5)^2\ text(means)\ -5\ text(squared.)`

`:.\ (-5)^2=-5 xx -5 = 25`

 

`-5^2\ text(means)\ -1 xx5\ text(squared.)`

`:.\ -5^2=-1 xx 5 xx 5 = -25`

Show Worked Solution

`(-5)^2\ text(means)\ -5\ text(squared.)`

`:.\ (-5)^2=-5 xx -5 = 25`

 

`-5^2\ text(means)\ -1 xx5\ text(squared.)`

`:.\ -5^2=-1 xx 5 xx 5 = -25`

Filed Under: Computation With Integers Tagged With: num-title-ct-core, smc-4209-60-Multiply/Divide

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