Bounds (2) Flashcards by Y. Laurent

Q

Minimum value for Addition

A

LB + LB

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Q

Maximum value for Addition

A

UB + UB

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Q

Minimum value for Subtraction

A

LB-UB

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Q

Maximum value for Subtraction

A

UB - LB

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Q

Minimum value for multiplication

A

LB X LB

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Q

Maximum value for Multiplication

A

UB X UB

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Q

Minimum value for division

A

LB divided by UB

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Q

Maximum value for Division

A

UB divided by LB

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Q

UB =

A

upper bound

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Q

LB =

A

lower bound

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Q

UB is the 1st number

A

you can’t round the number to

e.g. 10<15

15 is the UB

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Q

LB is the

A

lowest number you can round to

e.g. 5 is the LB of 10

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Q

Bronze Example:

a = 8.8 (rounded to 1dp)

b = 8.41 (rounded to 2dp)

Find the maximum of

a + b

a - b

a x b

a/b

A

a + b = 17.265

a - b = 0.445

a x b = 74.47275

a/b = 1.053(3dp)

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