Surds Flashcards

1
Q

surd form means the answer is

A

exact precise

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2
Q

Loc

A

sir

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3
Q

Type of number

A

Irrational number from square root

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4
Q

sr 12

A

sr4 x sr3

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5
Q

sr power 2

A

itslef

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6
Q

40

A

2 x10s

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7
Q

Looking for a

A

squared number

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8
Q

50

A

5x 2s

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9
Q

48 + 27

A

4x3s + 3x 3s

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10
Q

2sr3 + 6sr3

A

8sr3

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11
Q

sr not same

A

wont simplifly

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12
Q

multiply

A

multiply then simplify

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13
Q

Multiplying same sr=

A

number on own

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14
Q

Simplify

A

Factor do the square roots

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15
Q

square root a x square root a

A

a

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16
Q

adding sub surds same sr

A

normal add sub

17
Q

sr7 power2

A

sr7 x sr7 = sr49= 7

18
Q

square root ab=

A

square root a x square root b