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23 Cards in this Set

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  • Back
A(n)_______ is formed by numbers and variables connected by the operations of addition, subtraction, multiplication, division, raising powers or taking roots.
algebraic expression
The ________ of a number a is -a.
opposite
3(x-6)=3x-18 by the ________ property
distributive
The _______ of a number is the distance between that number and 0 on the number line.
absolute value
A(n) _____ is a shorthand notation for repeated multiplication of the same factor.
exponent
A letter that represents a number is called a _______.
variable
The symbols < and > are called ______ symbols.
inequality
If a is not 0, then a and 1/a are called __________.
reciprocals
A+B=B+A by the ________ property.
cummutative
(A+B)+C=A+(B+C) by the _______ property.
associative
The numbers 0,1,2,3,... are called _______ numbers.
whole
If a number corresponds to a point on the number line, we know that number is a _______ number.
real
The statement "x<5 or x>7" is called a(n) _________.
compound inequality
An equation in one variable that has no solution is called a(n) __________.
contradiction
The _______ of two sets is the set of all elements common to both sets.
intersection
The _______ of two sets is the set of all elements that belong to either of the sets.
union
An equation in one variable that has every number (for which the equation is defined) as a solution is called a(n) ________.
identity
The equation d=rt is also called a(n)_________.
formula
A number's distance from 0 is called its _________.
absolute value
When a variable in an equation is replaced by a number and the resulting equation is true, then that number is called a(n) _________ of the equation.
solution
The intergers 17,18,19 are examples of __________.
consecutive intergers
The state 5x-0.2<7 is an example of a(n) __________.
linear inequality in one variable
The statement 5x-0.2+7 is an example of a(n) _______.
linear equation in one variable