Across
- 1. x1 × x2 = c/a; x1 + x2 = -b/a
- 5. graph of x^3
- 7. b^2-4ac
- 8. perpendicular line to plane
- 11. like a cube, but with different sizes of sides
- 12. a^2+b^2=c^2
- 13. line which divide 1 angle on two equal angles
Down
- 1. line which has direction
- 2. rectangular triangle has two cathetus and one _____
- 3. radius × 2
- 4. general title of sin, cos, tg, ctg, arccos, arcsin, arctg, arcctg
- 6. - king of Math
- 9. line which divide one side of triangle on 2 equal parts
- 10. V=1/6×V(parallelogram)
- 11. graph of x^2