Factor the difference of two squares.25x2 - 81
A. (5x + 9)2
B. (5x + 9)(5x - 9)
C. (25x + 1)(x - 81)
D. (5x - 9)2
Answer: B
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Solve the problem.Show that the point P(5, -3, -6) is equidistant from the points 
) and B(6, -1, -7).
A. The distance between P and A is 
; the distance between P and B is 
B. The distance between P and A is 
; the distance between P and B is 
C. The distance between P and A is 2; the distance between P and B is 2
D. The distance between P and A is 3; the distance between P and B is 3
Determine how many Hamilton circuits the graph has.A complete graph with 13 vertices.
A. 13 B. 12! C. 132 D. 13!
Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = (x - 5)2, x ? 5 and g(x) = 
A. Yes B. No
Subtract. Write the answer in lowest terms as a mixed number.
A. 4
B. 5
C. 6
D. 5