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Across 3. increases y-coordinates 7. a symbol 8. type of triangle, less than 90 degree angles 14. distance between 2 points 15. boundary of a circle 17. number used as factor in a power 18. line going from centre of circle to circumference 20. graph meets x axis 23. shaped like a "U" 24. graph using points plotted on a coordinate grid 25. space occupied by object 26. y=mx +b 27. how two variables are connected

Down 1. a line describing the relationship between two variables in a scatter plot 2. this account is used to save your money at a 0.05% interest rate 4. comparison of quantities 5. side of triangle that is opposite of the right angle 6. expressing number as the product of two or more number 9. word used to describe three or more points that lie on the same page 10. point of intersection 11. does not change 12. four side object 13. graph meets y axis 16. vertical distance between 2 points 19. lines that do not intersect 21. line segment representing height of a polygon 22. a measure represented by 'm"