# Maths

##### Across
1. 2. angle of 360 degrees
2. 4. when x=0
3. 9. flipping the fraction that is being multiplied
4. 10. a^2 + b^2 = c^2
5. 11. b^2-4ac
6. 13. the negative sign before x^2 reflects the parabolas in the x-axis
7. 14. is the list of favourable outcomes
8. 15. rise over run
9. 16. are rectangles with equal length sides
10. 17. have the same gradient
11. 19. Pr(AUB) = Pr(A)+ Pr(B)= Pr(A and B)
12. 20. has the same shape but different size
13. 23. when you divide something
14. 26. image divided by original
15. 27. sum of 180 degres
16. 31. angle more than 90 degrees but less than 180 degrees
17. 32. egually opposite angles
18. 40. involves writing expressions as a product of factors
19. 41. when you add something
20. 43. side angle side
21. 44. involves adding any interest earned to the balance at the end of each
22. 45. when you times something
23. 47. when y=0
24. 48. angle less than 90 degrees
##### Down
1. 1. is the graph of a quadratic relation
2. 3. is supplementary to an interior angle
3. 5. the value, k, shifts, the parabola up or down.
4. 6. have an angle sum given by S=180(n-2)
5. 7. are parallelograms with all angles 90degrees
6. 8. a number written in the usual way, not in scientific
7. 12. angles are equal
8. 14. is calculated in the same way as theoretical probability
9. 18. when you minus something
10. 20. digits in a number counted from left to right from the first non-zero digit
11. 21. right hypotenuse side
12. 22. an irrational number
13. 24. is a single experiment such as a single toss
14. 25. Side side side
15. 28. the mathematics of chance
16. 29. (n-2)180
17. 30. contains a variable x
18. 33. sum of 90 degrees
19. 34. are quadrilaterals with two pairs of parallel sides
20. 35. a number written in the form a x 10^m
21. 36. the value, a before x^2 dilates the parabola from x-axis
22. 37. numerator over denominator
23. 38. law used to expand brackets
24. 39. angle angle side
25. 42. is the list of outcomes from an experiment
26. 46. is a possible result from an experiment