Find the center, foci, and vertices of the ellipse.16(x - 3)2 + 9(y + 1)2 = 144
A. center at (3, -1)
foci at (3, -1 - ), (3, -1 +
)
vertices at (3, 3), (3, -5)
B. center at (4, -1)
foci at (4, -1 - ), (4, -1 +
)
vertices at (4, 3), (4, -5)
C. center at (-3, -1)
foci at (-3, -1 - ), (-3, -1 +
)
vertices at (-3, 3), (-3, -5)
D. center at (-1, 3)
foci at (-1, 3 - ), (-1, 3 +
)
vertices at (-1, 3), (-1, -5)
Answer: A
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A. 1,187 ft/sec B. 1,229 ft/sec C. 129.2 ft/sec D. 129.9 ft/sec
Multiply and simplify. ?
A. 1
B.
C. -1
D. 0
Determine whether the given function is positive or negative for values of t in the specified quadrant. Quadrant IV, sin t
A. Negative B. Positive
Solve the inequality and graph the solution set on a number line.x2 - 2x - 15 ? 0
A. (-?, -3] ? [5, ?)
B. (-?, -3]
C. [-3, 5]
D. [5, ?)