Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 6x6 - 3x4 - 6x3 + 6x2 - 2x
A. 1 or 3 positive; 0 or 2 negative
B. 0 or 2 positive; 0 negative
C. 0 or 2 positive; 1 or 3 negative
D. 1 or 3 positive; 2 negative
Answer: A
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Find all real-number solutions. Round your answer to the second decimal place, if necessary. 2.7b3 - 52.3 = 156.9
A. 232.44 B. 4.26 C. 25.83 D. No real-number solution
Find the equation in slope-intercept form of the line satisfying the conditions.Slope -1; y-intercept (0, 8)
A. -x + y = 8 B. y = -x + 8 C. y = 8x - 1 D. y = 8x
Solve the problem.The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Saturn and Neptune appear in the same direction in the night sky as seen from earth?[Hint: Find the LCM of 30 and 165]
A. Every 990 years B. Every 1650 years C. Every 4950 years D. Every 330 years
Solve the problem.Find the area A and circumference C of a circle of diameter 22 mi. Use 3.14 for ?. Round the result to the nearest tenth.
A. A = 62.8 ft2; C = 15.7 ft B. A = 31.4 ft2; C = 31.4 ft C. A = 314 ft2; C = 15.7 ft D. A = 78.5 ft2; C = 31.4 ft