Maths Fomulas Term2 Flashcards

1
Q

what is axb written as

A

ab

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2
Q

what is a divided by b written as

A

a/b

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3
Q

The sum of a and b is

A

a+b

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4
Q

The product of a and b is…

A

axb or ab

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5
Q

The difference between a and b is…

A

a-b

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6
Q

The quotient of a and b is…

A

a/b or a divided by b

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7
Q

Like Terms

A

Terms with the same pronumeral/s in whatever order

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8
Q

5ysquaredb and 5yb are not like terms becuase

A

they both need to have ysquared

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9
Q

5ysquaredb and and 5ybsquared are not like terms because

A

the powers belong to different pronumerals

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10
Q

are 5xy and 5yx like terms

A

yes

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11
Q

5xyb and 5xy are not like terms because

A

they don’t both have all the pronumerals present

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12
Q

H

A

hypotenuse

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13
Q

0 with a line through or a swoop

A

theta

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14
Q

fish like squiggle

A

alpha (means the same as theta in year 9 math)

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15
Q

0

A

opposite

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16
Q

A

A

adjacent

17
Q

S

A

Sin

18
Q

T

A

tan

19
Q

C

A

cos

20
Q

(nd)

A

nearest degree

21
Q

coefficent

A

the number beside the pronumeral/s

22
Q

constant term

A

the term or number that sits by itself without a pronumeral

23
Q

-5 can be a constant term because

A

negative numbers are still valid constant terms

24
Q

which side do you move the combined like terms to when using the unitary method

A

the side where there was the smaller coefficent before subtracting

25
Q

Formula to find the shorter side of a triangle

A

hypotenuse squared - known side squared = unkown side squared

then put in sqaure root to find the unkown side by itself

26
Q

Pythagoras Thereom

A

a squared + b squared = c squared

one short side squared + the other short side squared = hypotenuse squared

27
Q

SOHCAHTOA

A

Sin theta = O/H
Cos theta = A/H
Tan theta = O/A

28
Q

Area formula

A

lb

length x bredth