math crossword

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Across
  1. 6. value The absolute value of a number is the distance from the origin on a number line
  2. 9. A prime number is a positive number that has exactly two factors, 1 and itself.
  3. 10. An exponent is a power that a number is raised to.
  4. 13. A variable is an unknown or placeholder in an algebraic expression.
  5. 14. An operation is a rule for taking one or two numbers as inputs and producing a number as an output.
  6. 15. An inequality is a mathematical expression that contains an inequality symbol.
Down
  1. 1. The quadratic formula is a formula that gives you a solution to the quadratic equation ax2 + bx + c = 0.
  2. 2. A polynomial is a sum or difference of terms; each term is
  3. 3. A system of equations is two or more independent equations that are solved together.
  4. 4. A quadratic equation is an equation that has a second-degree term and no higher terms.
  5. 5. In an expression or equation, terms are numbers, variables, or numbers with variables.
  6. 7. The square roots of a number n are the numbers s such that s2=n.
  7. 8. The inverse property of addition states that for every number a, a + (-a) = 0 (zero).
  8. 11. The factor of a number is a number that divides that number exactly.
  9. 12. In an expression or equation a coefficient is a number in front of a variable.