Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = -6x2 - 12x + 4
A. (-2, -8)
B. (1, -14)
C. (2, -44)
D. (-1, 10)
Answer: D
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Evaluate the algebraic expression for the given values of the variables. ? 4(x - 3)2 for x = 7 ?
A. ?65 B. ?66 C. ?64 D. ?63
Use a table of values to graph the plane curve defined by the following parametric equations. Find a rectangular equation for the curve.x = 8 sin t, y = 8 cos t, for t in [0, 2?] 
A. 
y = x2 - 9, for x in [-2, 2]
B. 
y = 
= 64, for x in [-8, 8]
C. 
x2 + y2 = 64, for x in [-8, 8]
D. 
y2 - x2 = 64, for x in [-8, 8]
Solve the problem.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flags available, how many possible signals can be flown?
A. 24 B. 512 C. 336 D. 56
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(-3x5y-6)(5x-1y)
A. -15x4y7
B. 
C. 
D. 