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Across 2. How to simplify an equation; first, outer, inner, last 7. The vertical line going through (0,0) and is used for reference 9. The equation of a parabola 10. A polynomial with only one term 11. A number's distance from 0 12. A number that multiplies the variable 13. A set of terms that has no stated equivalent value 16. Where an equation goes through the X-Axis 17. A number that, when squared, is still a whole number 18. A set of points that make an equation true 19. A symbol for a number we don't yet know or must substitute in

Down 1. The horizontal line going through (0,0) and is used for reference 3. The equation of a line 4. An expression that can have any number of terms (not infinite) 5. A set of terms that has the same value as something else 6. Where an equation goes through the Y-Axis 8. A sequence formed by adding a constant 13. A set of terms that is greater or less than another 14. A number that can go into another number 15. A graph that looks like a U or an upside-down U