Across
- 3. difference the difference between the terms in a sequence
- 5. the sides of a right triangle that form the right angle.
- 10. indentity for any number a, a + 0 = 0 + a = a
- 11. a system of equations w/ exactly 1 solution.
- 12. middle terms.
- 13. numbers the set {1, 2, 3, ...}.
- 16. a system of equations that have an infinite number of solutions
- 17. equations equations w/ same solution.
- 19. to find the value of an expression.
- 20. the set of the first numbers of ordered pairs in a relation.
Down
- 1. an arrangement or listing in which order is not important.
- 2. the part of a conditional statement immediately following the word if.
- 4. a mathematical sentence that contains a = sign.
- 6. of symmetry the vertical line containing the vertex of a parabola.
- 7. any collection of one or more outcomes in the sample space.
- 8. the numerical factor of a term.
- 9. an equation that states a rule for the relationship between certain quantities.
- 14. the set {..., -2, -1, 0, 1, 2,...}.
- 15. two events that can occur at the same time.
- 18. in an algebraic expression the quantities being multiplied are called factors.