Across
- 7. when the discriminant is negative
- 12. process of getting a perfect square
- 13. the shape of the graph of a quadratic equation
- 15. numbers that are multiplied by a variable
- 17. a^2 - b^2
- 18. number of solutions if b^2 - 4ac > 0
- 19. b^2 - 4ac
- 20. number of solutions if b^2 - 4ac = 0
Down
- 1. if the product of 2 numbers is 0, either one or both of the numbers is 0.
- 2. quadratic expression where 'a' is not 1
- 3. have the exact same pronumerals
- 4. used to find the solutions to ANY quadratic equation
- 5. ax^2 +bx + c = 0
- 6. (a+b)^2
- 8. factorising four term expressions by
- 9. the opposite of expanding
- 10. Can you factorise all quadratic expressions?
- 11. ax^2 +bx + c = 0
- 14. can not change in the equation
- 16. number of solutions if b^2 - 4ac < 0