Solve.3(x-6) + 9 = -1 + x - 26
A. x = -9
B. x = -4
C. x = 4
D. x = 9
Answer: A
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Find the center, transverse axis, vertices, and foci of the hyperbola.
- 
= 1
A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -2), (0, 2)
foci: (0, - 5
), (0, 5
)
B. center at (0, 0)
transverse axis is y-axis
vertices: (0, -2), (0, 2)
foci: (- 5
, 0), (5
, 0)
C. center at (0, 0)
transverse axis is y-axis
vertices: (-2, 0), (2, 0)
foci: (-11, 0), (11, 0)
D. center at (0, 0)
transverse axis is x-axis
vertices: (-11, 0), (11, 0)
foci: (- 5
, 0), (5
, 0)
Simplify the radical. Assume that all variables represent positive real numbers.
A. x2
B. x2
C. x
D. x2
If a projectile (such as a bullet) is fired into the air with an initial velocity v at an angle of elevation ? (see the figure), then the height h of the projectile at time t is given by
?
h = -16t2 + vtsin ?
?
?
Give the equation for the height, if v is 1,600 feet per second and ? is 30°. (Leave your answer in exact value form.)
?
A. 
B. 
C. 
D. 
E. 
Simplify.
-2
A. 
B. 
C. 
D. 