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Across 2. the symbol used to indicate square roots 4. the highest point the vertex reaches 7. a relation for which each element of the domain corresponds to exactly one element of the range 9. One of the four regions into which the x- and y- axes separate the coordinate plane 10. the point halfway between two given points 12. the lowest point the vertex reaches 15. Rewriting a mathematical expression as a product of factors 16. a nonnegative number that must be multiplied times itself to equal a given number 21. a straight line that best represents the data on a scatter plot 23. a u-shaped curve with certain specific properties 24. the slope of a horizontal line 25. on the coordinate plane, the point (0, 0) 30. A rational number whose square root is a rational number 32. a method that uses addition or subtraction to eliminate one of the variables to solve for the other variable 34. on the coordinate plane, the pair of numbers giving the location of a point 37. An equation whose graph on a coordinate grid is a straight line 39. a mathematical sentence built from expressions using one or more of the symbols <, >, ≤, or ≥. 40. The vertical (up and down) change in a line graphed in the coordinate plane 41. a transformation in which a geometric figure is reflected across a line, creating a mirror image 42. a formula for the roots of a quadratic equation 43. Lines that intersect at one point forming 90° 44. The relationship between two variables where a change in one variable affects the outcome of the other variable

Down 1. the largest integer that divides evenly into each of a given set of numbers 3. a term or expression with no variables 5. a polynomial with one term 6. describes a geometric figure or a graph consisting of two parts that are congruent to each other 8. A changing quantity, usually a letter in an algebraic equation or expression, that might have one of a range of possible values 11. the quantity which cancels out the given quantity 13. The chance of an event occurring 14. the sum or difference of terms which have variables raised to positive integer powers and which have coefficients that may be real or complex 17. a polynomial with three terms which are not like terms 18. Two items that have the same value 19. parts of an expression or series separated by + or - signs 20. a graph of paired data in which the data values are plotted as (x, y) points 22. The numeric factor in a term 26. a technique for distributing two binomials 27. all numbers on a number line 28. a form of equation used when the slope and y-intercept are given 29. the plane formed by a horizontal axis and a vertical axis 31. two or more equations containing common variable(s) 33. the set of all real numbers that can be written as a ratio of integers with nonzero denominators 35. terms whose variables (and their exponents) are the same 36. the part left over after long division 38. a transformation in which a plane figure turns around a fixed center point