Intro to Algebra
Properties and Rules
Real Numbers
Integers
More Algebra
100
a symbol, usually a letter that represents the value(s) of a quantity that can vary
What is a variable
100
you can change the order of the addends or products, but it will not change the sum or product (answer)
What is the commutative property
100
the set of rational and irrational numbers
What is the set of real numbers
100
a number's distance from 0 on a number line
What is absolute value
100
a mathematical sentence that uses an equal sign
What is an equation
200
a mathematical phrase that includes one or more variables
What is an algebraic expression
200
when you change the grouping of the addends or the factors, it does not change the sum or product
What is the associative property
200
numbers in this set include {1,2,3...}
What are natural numbers
200
for every real number, a ,there is an opposite, -a, and a + (-a) = 0.
What is additive inverse
200
a mathematical sentence that compares the values of two expressions using an inequality symbol
What is an inequality
300
a number, a variable, or the product of a number and one or more variables
What is a term
300
The property is defined as: a(b+c) = ab + bc and (b+c)a = ba + bc.
What is the distributive property
300
any number you can write in the form a/b
What is a rational number
300
the reciprocal of 2/5
What is 5/2
300
the point (0,0) or where the axes intersect on a coordinate plane
What is the origin
400
a term that has no variable
What is a constant
400
the product of zero and any number is 0
What is zero property of multiplication
400
any whole number and its opposite
What are integers
400
the multiplicative inverse of -4
What is -1/4
400
a set of numbers that names a point on the coordinate plane
What is an ordered pair
500
a numerical factor of a term
What is a coefficient
500
the number stays the same by adding 0 or multiplying by 1
What is the identity property
500
cannot be represented as the quotient of two integers (an example of this is pi)
What are irrational numbers
500
the sign of the product of two negative numbers
What is positive
500
the vertical axis
What is the y-axis
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