Across
- 5. A=Pe^rt
- 7. A = P(1 + r/n)^(n x t), r is the rate, n is the number of times compounded, t is time
- 8. Td= 70/ r (in percentage)
- 11. an ongoing and continuous sequence of events that occur in succession, from past through the present, and to the future
- 12. the sum of the principal and interest which is accumulated at a certain time
- 14. A number is in exponential form when it is written with a base and an exponent
- 15. the y-coordinate of a point where a graph crosses the y-axis
- 21. a logarithm with base e
- 22. A point where two or more straight lines meet
- 23. y=logbx
Down
- 1. increase in size on the graph
- 2. an equation that contains one or more exponential expressions
- 3. The "a" in y=ab^x . What you begin with (also y-intercept)
- 4. an equation of the form ax² + bx + c = 0, where a ≠ 0
- 6. decrease in size on the graph
- 7. A formula that allows you to rewrite a logarithm in terms of logs written with another base
- 9. t1/2 = 0.693/k
- 10. Ax + By=C, where A, B, and C are not decimals or fractions, where A and B are not both zero, and where A is not a negative
- 13. where the graph crosses the x-axis
- 16. a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
- 17. Percentage rate used to calculate interest
- 18. most important/amount of money borrowed
- 19. a quantity representing the power to which a fixed number (the base) must be raised to produce a given number
- 20. Logarithms that use 10 as the base