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Intro to algebra

QuestionAnswer
Algebraic expressions Have at least one variable and one operation
Variable A letter that represents an unknown value
Constant A term without a variable
coefficient the number part of a term with variables
Term Either a single number or variable, or numbers and variables multiplied together. They are usually separated by addition and subtraction signs.
Like term two or more terms with the same variable or exponent
sum answer to an addition problem
difference answer to a subtraction problem
product answer to a multiplication problem
quotient answer to a division problem
fewer than or less than subtract and reverse
how much more/less subtract
% or fraction of multiply
each divide
than/from reverse the order
commutative property the order in which numbers were added or multiplied doen't change the answer.
Associative property The way numbers are grouped when adding or multiplying does not change the answer
identity property of addition the sum of a addend and zero is the same as the addend
identity property of multiplication the product of every factor and one is the same as the factor
additive inverse property adding a number and its opposite will produce a sum of 0
multiplicative inverse property multiplying any number and its inverse (reciprocal) equals one.
associative property (x+7)+9=x+(7+9)
associative property 4(3 x 9)=(4 x 3)9
commutative property (x +7)+9=9+(7 + x)
commutative property 5 x 6= 6 x 5
identity property of addition x + 0=x
identity property of multiplication 6(1)=6
multiplicative inverse property 4 x 1/4= 1
additive inverse property -5 + 5 = 0
distributive property 4(x + 3)= 4x + 12
distributive property 16 + 40= 8(2 + 5)
Created by: user-1970482
 

 



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