Across
- 7. where an equation crosses the x-axis
- 8. a number that makes an equation true
- 12. the height of a graph, the y-values
- 13. the small number in front of a radical that tells what root
- 14. the expression written inside/under the radical symbol
- 16. the square root of -1, represented by i
- 17. where a function has a negative slope
- 18. an algebraic expression containing two terms
- 21. measures the distance between two numbers, |x|= the ______ of x
- 24. used to solve a quadratic equation, x equals -b plus or minus the square root of 4ac all over 2a
- 26. the turning point of a parabola
- 27. the symbol for taking the root of a number, √
- 28. an algebraic expression containing 4 or more terms
- 29. when solving a quadratic equation, this will tell you how many solutions, =b^2-4ac
Down
- 1. for a parabola, y=a(x-r1)(x-r2) is called ______ form
- 2. for a parabola, y=ax^2+bx+c is called ______ form
- 3. an algebraic expression containing three terms
- 4. given a complex number a+bi, a-bi is the ______
- 5. a number in the form of a+bi
- 6. where a function has a positive slope
- 9. tells what the function tends to do at the ends, ex-as x approaches infinity what does the function do
- 10. an algebraic expression conatining only one term
- 11. where an equation crosses the y-axis
- 15. the width of a graph, the x-values
- 19. the shape a quadratic function makes when graphed
- 20. vertical line that cuts a parabola into two symmetrical halves
- 22. for a parabola, y=a(x-h)^2+k is called ______ form
- 23. asks what number multiplies by itself to give you this, used to solve x^2=a
- 25. the value of the highest exponent on a polynomial expression