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Across 2. A graph of ordered pairs used to determine whether there is a relationship between paired data. (2 words) 5. the second number in an ordered pair. 6. A statement in which two expressions. 9. The point (0, 0) where the x-axis and y-axis intersect on a coordinate plane. 11. A plane divided into four quadrants by the x-axis and they-axis. (2 words) 13. The collection of all points (x, y) whose coordinates are solutions of the equation. 14. Two lines in a plane that intersect to form a right angle. 16. Use of the symbol ƒ(x) for the dependent variable of a function. (2 words) 17. Given the slope m and a point (x1, y1), use this equation: y - y1 = m(x - x1). (3 words) 18. two lines on a plane that do not intersect. 19. If the graph of an equation intersects the y-axis at the point (0, b), then the number b is the y-intercept of the graph.

Down 1. A function of the form y = mx + b where m and b are constants. (2 words) 2. A linear equation written in the form y = mx + b where m is the slope and b is the y-intercept of the line. (2 words) 3. A linear equation written in the form Ax + By = C where A and B are not both zero. (2 words) 4. A number that, when substituted for the variable, makes the equation a true statement. 7. a pair of numbers of the form (x, y) that represents appoint in the coordinate plane. (2 words) 8. the first number in an ordered pair. 10. The ratio of vertical change (the rise) to horizontal change (the run) for a nonvertical line. 12. The four regions that result when the x-axis and y-axis divide a coordinate plane. 15. The x-coordinate of the point where a line intersects the x-axis.