Find an equation for the graph.
A. y = 5 cos 
B. y = -5 sin 
C. y = -5 sin 
D. y = -5 sin (3x)
Answer: C
Mathematics
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Find the vertices and foci of the ellipse.196x2 + 49y2 = 9604
A. Vertices: (±14, 0); Foci: (±7
, 0)
B. Vertices: (±7, 0); Foci: (±7
, 0)
C. Vertices: (0, ±14); Foci: (0, ±7
)
D. Vertices: (0, ±7); Foci: (0, ±7
)
Mathematics
Find all real-number square roots of the given number.
A. - 
B. ± 
C. 
D. ± 
Mathematics
Write the sample space for the given experiment.A lottery uses balls numbered 1 through 31. An even-numbered ball is picked.
A. {30} B. {2, 4, 6, . . . , 30} C. {1, 2, 3, . . . , 31} D. {2}
Mathematics
Test the equation for symmetry with respect to the given axis, line, or pole.r = 4 sin ?; the pole
A.
| May or may not be symmetric with respect to the pole |
B. Symmetric with respect to the pole
Mathematics