Find the exact value of y, or state that y is undefined.y = tan (tan-1 (-5.4))
A. -5.4
B. -2.3
C. 8.5
D. 5.4
Answer: A
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Multiply. Write the answer in descending order.-3q6(7q5 - 3)
A. -21q11 - 3 B. -21q5 + 9 C. -21q11 + 9q6 D. -12q6
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 6 sin ?
A. 
(x - 3)2 + y2 = 9; circle, radius 3,
center at (3, 0) in rectangular coordinates
B. 
x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular coordinates
C. 
x2 + (y - 3)2 = 9; circle, radius 3,
center at (0, 3) in rectangular coordinates
D. 
(x + 3)2 + y2 = 9; circle, radius 3,
center at (-3, 0) in rectangular coordinates
Decide whether or not the equation defines y as a function of x.y = 2x2 + 2x - 1
A. Yes B. No
Identify and graph the conic section. Label the center and/or vertex as appropriate.7y2 - 7x2 = 63
A. circle; center (0, 0)
(-3, 0), (3, 0), (0, -3), (0, 3)
B. hyperbola; center (0, 0);
(0, -9), (0, 9)
C. hyperbola; center (0, 0);
(0, -3), (0, 3)
D. hyperbola; center (0, 0);
(-3, 0), (3, 0)