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Across 5. alebraic statement 6. where a graphs cuts an axis 7. what you do to indices when multiplying powers 8. plane 9. things that multiply to give a value 13. way of expanding binomials 14. change an expression into a product 16. change an expression by mulitplying out brackets 17. plot of an equation 18. statement that has two equal expression 19. lowest common denominator 20. root

Down 1. way to solve equations 2. has a set value 3. solution 4. product of two expressions 10. finding the solution of an equation 11. letter that stands instead of a number 12. have same letters and powers 15. input-uotput machine