Using the TI-83 family, TI-84 Plus family and TI-Nspire in TI-84 Plus mode classified as graphing calculators. There is an infinity symbol stipulated in these calculators. <span>An alternate method is inputting +</span><span>1E99 for positive infinity and -1E99 for negative infinity. This is the closest value to infinity.</span>
Answer:
The answer should be -3/16
Step-by-step explanation:
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Answer:
- there are 4 complex solutions
- 3 real zeros and 2 complex zeros
Step-by-step explanation:
1. Descarte's rule of signs tells you there are 0 positive real roots and 0 or 2 negative real roots. (for positive x, signs are ++++ so have no changes; for negative x, signs are ++-+, so have 2 changes.) A graph shows no real roots.
2. There are 3 sign changes in the given polynomial, so 3 or 1 positive real roots. When the sign of x is changed, there are 2 sign changes, so 0 or 2 negative real roots. A graph shows 2 negative and one positive real root (for a total of 3), so the remaining 2 roots are complex.
Answer: 21
Step-by-step explanation:
k(x) =x^3-2x
k(3) =3^3-2*(3)
k(3) =27-6
k(3) = 21
Answer:
x=6
Step-by-step explanation: