Algebra ~ ACT Word of the Week - Part 1

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Across
  1. 1. An algebraic expression of the sum or difference of two terms.
  2. 6. The distance a number is from zero on a number line (always positive).
  3. 8. To substitute a given number for each variable, and then simplify.
  4. 9. A two-dimensional plane formed by the intersection of two lines
  5. 10. A number that shows repeated multiplication.
Down
  1. 2. A number that has no fractions or decimals. The set includes zero, the natural numbers and their additive inverses (negative numbers)
  2. 3. The numerical value attached to a term in an expression or equation.
  3. 4. A relation in which each element of the domain corresponds with exactly one element in the range.
  4. 5. The set of all outputs, or y-coordinates, of the ordered pairs.
  5. 7. The set of all inputs, or x-coordinates, of the ordered pairs.