Math Exam Flashcards
Irrational number
A number that cannot be expressed as a over b, where a and b are integers and b doesn’t equal 0
Integer
Whole numbers and their opposites 1,-1 2,-2
Absolute value
The distance between the number and 0 on a number line
Complex fraction
When the numerator , denominator, or Both contain a fraction
Commutative property
The way in which 2 numbers are added or multiplied does not change the product
10•5=5•10
9+5=5+9
Associative property
The way in which 3 numbers are grouped in addition or multiplication does not change the product
(5+4)+2=5+(4+2)
Additive identity property
The sum of any number and 0 is that same number
Multiplicative identity property
The product of any number multiplied by 1 is that same number
Distributive property
Everything inside the () is multiplied by whatever is outside the ()
Rational number
A number that can be written as a fraction in the form of a over b, where a and b are integers and b is not equal to 0
Reciprocal property
The reciprocal for one half is two over one
Similar figures
The corresponding angles are congruent, or have the same measure, and the corresponding sides are proportional and opposite corresponding angles
Proportion
Any equation that states that two ratios are equivalent
Cross products
Function
A special relation in which each element of the domain is paired with exactly one element of the range
(Vertical line test)
Relation
a collection of ordered pairs containing one object from each set
(X’s repeat)