A cheetah spots a gazelle 300 meters away. The cheetah begins to chase the gazelle at a rate of 18 meters per second at the same
time the gazelle begins to run aways at a rate of 16 meters per second. Which equation represents the time, t, for the cheetah to reach the gazelle?
1 answer:
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To find the answer just substitute the values of P and Q into the equation and evaluate following order of operations
Answer:
- 3 or 1 positive real zeros
- 0 negative real zeros
Step-by-step explanation:
The signs of the coefficients of the given terms are ...
+ - + -
There are three sign changes, so the number of positive real zeros is 3 or 1.
When odd-degree terms have their signs changed, the signs become ...
- - - -
There are no sign changes, hence no negative real zeros.
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A graph confirms this evaluation.
