math
Across
- 2. Which formula is d=(x2-x1)(ex2)+(y2-y1)(ex2
- 4. Which arithmetic formula is a(n-1)+d
- 5. Which formula is x=x1+x2+x3+etc+xn/n
- 6. Which quadratic equation is y=a(x-1)(x-3)
- 9. Which linear equation is Ax+By=C
- 10. Which formula is m= y2-y1/x2-x1
- 11. Which quadratic equation is y=ax(ex2)+bx+c
- 12. Which geometric formula is An=a1 x r(ex n-1)
- 13. Which arithmetic formula is a(n)=a1+d(n-1)
Down
- 1. Which geometric formula is An=r(an-1)
- 3. Which formula is x=-b(+-)b(ex2)+4ac/2a
- 7. Which linear equation is y=mx+b
- 8. Where does y=ab come from