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chapter sevenn!
| Question | Answer |
|---|---|
| properties of powers | product of powers postulate, power of a power postulate, power of a product postulate, quotient of a powers postulate, power of a quotient postulate, ngative exponets property |
| graph of y=x^n | if n is even parabola with refletion symmetry if n is odd rotation symmetry |
| Compound interest formulas | Annual: A=P(1+r)^t General: A=p(1+r/n)^n*t |
| Example: Is -i*square root of 3 a fourth root of 81? | (i*square root of 3)^4 =9. no because it does not equal 81. |
| finding negative exponents | negative exponents are recipricals. Example: 4^-2 = 1/16 |
| explict formulas for geometric sequences | g sub n= g sub 1(r)^ the previous term |
| Number of real roots | even root of + # - 2 solutions odd root of + # - 1 solution even root of a - # - no solutions odd root of a - # -1 solution. |
Created by:
danielle.
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