Find the x-intercepts of the function.f(x) = x2 + 7x + 7
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: B
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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) = 5x8 + 2x6 + 8x4 + 8x2 + 3
A. 0 positive; 0 or 2 negative B. 0 positive; 0 negative C. 0 or 2 positive; 0 negative D. 4 positive; 0 negative
Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
A. 10
B. 
C. - 10
D. - 
Solve the problem.In a certain town, 5% of people commute to work by bicycle. If a person is selected randomly from the town, what are the odds against selecting someone who commutes by bicycle?
A. 19 : 20 B. 19 : 1 C. 1 : 19 D. 1 : 20
Find an equation for the ellipse described.Vertices at (-7, 5) and (-1, 5); focus at (-6, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1