Math Dude's Quick and Dirty Guide to Algebra by Marshall Jason

Author:Marshall, Jason
Language: eng
Format: epub
Published: 2011-06-16T16:00:00+00:00

a • (b + c) = a • b + a • c Right

and

a• (b − c) = a• b − a• c Right

it is not okay to do things like

a • (b • c) = (a • b) • (a • c) Wrong!

and

a • (b / c) = (a • b) / (a • c) Wrong!

POP QUIZ:

WHICH PROPERTY LETS YOU DO THIS?

You’ve now learned about the big five properties of arithmetic that describe how we can add, subtract, multiply, and divide numbers and variables in algebra. For each of the following equations, figure out which property has been used to go from the expression on the left to the expression on the right. Your choices are:

• Commutative Property of Addition (CA)

• Commutative Property of Multiplication (CM)

• Associative Property of Addition (AA)

• Associative Property of Multiplication (AM)

• Distributive Property (D)

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