Across
- 1. vertical line through the vertex
- 5. √36
- 8. helps avoid confusion when evaluating expression
- 11. any number used to replace a variable
- 12. a+b=b+a
- 18. 2^5 (2)
- 20. the number that corresponds to a point on a number line
- 22. when the statement is true after substituting a numbeer for the variable
- 23. using perfect sqaure numbers to factor
- 25. multiply a and c to get the product, then use factors that add up to b to find the solution
- 26. allows you to write an expression x^2+bxas a binomial
- 30. a letter used to represent one or more numbers
- 34. 3x
- 36. 3x and 5x (same variable)
- 37. 2,3
- 38. multiply the denominator and numerator by the denominator
- 39. the result of evaluating an expression
- 44. the point labeled 0 on a number line
- 46. using the square root of numbers to factor
- 47. (x+7) (x-4)
Down
- 1. an expression involving variables
- 2. the root of a number (7^2)
- 3. only has one term
- 4. y=ax^2+bx+c
- 6. x<1, 3n-2>9
- 7. ab=ba
- 9. √2
- 10. (a+b)+c=a+(b+c)
- 13. graph of a quadratic function
- 14. has 3 terms
- 15. to write a trinomial as a binomial
- 16. a(b+c)=ab+ac
- 17. two equivalent expressions
- 19. a+(-a)=0
- 21. lowest or highest point of a quadratic function
- 24. have the same value for all their variable
- 25. 2^5
- 26. like terms with no variable
- 27. a real-life situation in a math problem
- 28. form ax^2+bx+c
- 29. consists of numbers,operations, and grouping symbols
- 31. equation an equation that can be written as ax=b
- 32. the negative opposite of a number
- 33. greatest common factor
- 35. when equations have the same solutions
- 40. 2^5 (5)
- 41. a statement in which two expressions are equal
- 42. √
- 43. 4 or more terms
- 45. the point on a number line that corresponds to a real number