Algebra Crossword

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Across
  1. 4. a part of a whole, like a half, a third, a quarter, etc.
  2. 5. an expression built up from integer constants, variables, and the algebraic operations.
  3. 8. a number that divides the number exactly
  4. 10. an unknown or placeholder in an algebraic expression.
  5. 13. a power that a number is raised to. For example 2^3
  6. 14. Any combination of values and operations that can be used to show how things belong together and compare to one another.
  7. 16. opposite
  8. 17. An equation is a mathematical statement that contains an equal sign, like ax + b = c.
  9. 18. A grouping together of one or more factors (variables and/or numbers), such as 4x
  10. 20. To combine all that can be combined, reduce the number of terms, and put an expression in an easily understandable form.
  11. 21. shows a mathematical relationship between expressions.
Down
  1. 1. a quantity may be known, but it is convenient to designate it as a letter.
  2. 2. a formula that gives you a solution to the quadratic equation ax^2 + bx + c = 0.
  3. 3. to solve
  4. 6. a number in front of a variable.
  5. 7. a relation which makes a non-equal comparison between two numbers or other mathematical expressions.
  6. 9. a positive number that has exactly two factors, 1 and itself.
  7. 11. finding the answer to something
  8. 12. a rule for taking one or two numbers as inputs and producing a number as an output. Some arithmetic operations are multiplication, division, addition, and subtraction.
  9. 15. a symbol √ that is used to indicate the square root
  10. 19. a mark or sign that stands for something else.