Algebra Crossword

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Across
  1. 2. terms in an expression that have exactly the same variables with the same exponents - in "4xy^2 + 3xy + 2xy^2", 4xy^2 and 2xy^2
  2. 5. the set of all points (x, y) that are solutions of the equation, that make the equation true
  3. 6. the answer to a subtraction problem
  4. 7. states that the way in which numbers are grouped does not change the sum or the product: (1+2) + 3 = 1 + (2+3)
  5. 11. made up of the counting numbers {1,2,3,4...), their opposites {-1,-2,-3,-4...}, and zero {0} irrational numbers:a number represented by a non-repeating, non-terminating decimal - like pi or the square root of 2
  6. 13. a mathematical notation indicating the number of times a quantity is multiplied by itself
  7. 15. the distance between a number and zero on a number line
  8. 16. the number multiplied by a variable in a term - the "2" in "2xy^3"
  9. 17. a number represented by a non-repeating, non-terminating decimal - like pi or the square root of 2
  10. 18. describes the results of adding the number zero to another number or multiplying a number by one - the results are identical
Down
  1. 1. states that the order in which numbers are added or multiplied does not change the sum or the product: (1+2) + 3 = 1+(2+3) coordinateplane a system of intersecting horizontal and vertical number lines, used to locate points
  2. 3. a number multiplied by another number to find a product
  3. 4. a mathematical relation such that each element of one set is associated with at least one element of another set
  4. 6. states that a product of a number and a sum can be found by adding, then multiplying or by multiplying then adding: a(b+c)=ab+ac equation an algebraic sentence that has an equal sign
  5. 8. the measure, in square units,of the inside of a two dimensional planefigure.
  6. 9. a comparison of two expressions that uses one of the symbles <,>,=
  7. 10. mathematical phrase containing numbers, variables and/or operations: 2 + 3(4x+ 5)
  8. 12. parentheses, brackets, braces, and vinculums used to make the order of operations clear: {[( )]} and /
  9. 14. when you replace each variable with a number, then follow the order of operations rules