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Definition
its ok to change the order
add ex 2+3=3+2
mult ex 2*3=3*2 |
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Definition
a change of grouping
(2+3)+4=2+(3+4)
(2*3)4=2(3*4) |
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Term
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Definition
____ the multiplication to each term
2(2x-3y+6)=4y-6y+12 |
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Term
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Definition
| the coefficient of -x is (-1)x |
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Term
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Definition
add. opppsites cancel
mult. number * reciprocal= 1 |
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Term
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Definition
| its ok to flip the proportion over if towo rations are equal, their recripocals are also equal |
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Term
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Definition
| if the result of the operation is in the same number set as the two numbers used in the operation |
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Term
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Definition
the answer must be the same in value
5+0=5
5*1=1 |
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Definition
rotation along the equal sign
2+3=5 5=2+3 |
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Term
| multiplicative property of zero |
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Definition
the answer must be equal to zero, since you are multipyling by zero
4*0=4 |
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