Crossword on "Square Equations" (Grade 8)

1. Equality containing a variable.
2. Species equation ah² + bx + s = 0, where a, b, s - some numbers, x - variable, a≠0
3. Is the condition significant  a≠0?
4. What are the names of the numbers a, b, s?
5. If a =1, then the equation is called ... .
6. If in the equation ah² + bx + s = 0, a≠0, b = 0 or c = 0, then the equation is called ... .
7. What does the presence of real roots of the quadratic equation depend on?
8. English mathematician, to whom the term "Discriminant" belongs.
9. How many roots does the equation have if D > 0 .
10. How many roots does the equation have if D = 0.
11. Are there roots of the quadratic equation if D < 0 .

Crossword puzzle with answers in.doc format is possible