Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation.
?
?
A. 0 positive; 1 negative; 4 nonreal
B. 0 positive; 0 negative; 5 nonreal
C. 0 positive; 0 or 2 negative; 3 or 5 nonreal
D. 2 positive; 1 or 3 negative; 2 or 0 nonreal
E. none of these
Answer: E
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Find the x- and y- intercepts. If there are no intercepts write "No x-intercept" or "No y-intercept".-4x - 2y = 8
A. (-3, 0), (-4, 0) B. (-2, 0), (0, -4) C. (0, -3), (0, -4) D. (-2, -4), (-3, 8)
Find the limit.
A. - 
- 5
B. 
+ 5
C. 6
D. -6
Solve the problem.A bird flies from its nest 2 km in the direction 17° north of east, where it stops to rest on a tree. It then flies 5 km in the direction 25° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?
A. (0.9563, 0.2924) B. (1.913, 0.5847) C. (0.5847, 1.913) D. (-0.5503, -1.923)
Multiply.
A. - 
B. 
C. - 
D. - 