Set: Algebra Vocabulary

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All 27 Terms

Term Definition
variable a letter or other symbol that can be replaced by a number (or other object)
sentence 2 algebraic expressions connected by =, not equal to, <, >, etc.
equation, inequality sentence with an equal sign; inequality is sentence with <, >, not equal to etc.
open sentence, solution A sentence that contains at least one variable.
whole numbers, integers, real numbers see p.12
equal sets Two sets that have the same elements.
domain, solution set The values which may be meaningfully substituted for a variable.
interval, endpoints The set of numbers between two numbers a and b, possibly including a and b.
open interval, closed interval open: an interval that does not include its endpoints; closed: does include endpoints
discrete A situation in which some numbers between given numbers do not have meaning.
intersection The set of elements in both set A and set B.
union The set of elements in either set A or set B.
Venn diagram A diagram used to show relationships between sets
empty set, null set, { }, A set which has no elements in it.
numerical expression expression with numbers and operations and no variables
algebraic expression expression with one or more variables
evaluating an expression finding the numerical value of an expression
order of operations p. 23
formula p. 27
in terms of, depends on lesson 1-5
square root, radical sign If A = s squared, then s is a square root of A
perfect squares A number which is the square of a whole number.
Square of the Square Root Property For any nonnegative number n, the square root of n times the square root of n = n
pattern, instance A general idea for which there are many instances.
counterexample An example for which a pattern is false.
leg, hypotenuse leg=one of the sides that forms right angle; hyptenuse = longest side
Pythagorean Theorem a squared + b squared = c squared. Sum of sides squared = hypotenuse squared

Set Information

Terms 27
Creator jlindblad
Created October 2, 2008
Groups None
Subject math
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Description

Math terms from Chapters 1

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Most Missed Words

  1. leg, hypotenuse → leg=one of the sides that forms right angle; hyptenuse = longest side - 1 miss
  2. discrete → A situation in which some numbers between given numbers do not have meaning. - 1 miss
  3. counterexample → An example for which a pattern is false. - 1 miss
  4. evaluating an expression → finding the numerical value of an expression - 1 miss
  5. open sentence, solution → A sentence that contains at least one variable. - 1 miss
  6. interval, endpoints → The set of numbers between two numbers a and b, possibly including a and b. - 1 miss
  7. Square of the Square Root Property → For any nonnegative number n, the square root of n times the square root of n = n - 1 miss