Factor by any method.4x2 - 4y2
A. (2x + y)(2x - y)
B. 2(x + y)(x - y)
C. 4(x + y)(x - y)
D. 4(x - y)2
Answer: C
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Plot the point in the rectangular coordinate system.(-1, 0)
A. 
B. 
C. 
D. 
Graph the function over a one-period interval.y = -2 sin
A. 
B. 
C. 
D. 
Solve.A comet follows the hyperbolic path described by 
where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 10 million mi B. 3.7 million mi C. 0.7 million mi D. 2.4 million mi
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.