Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.4r6 - 8r5 - 60r4
A. (4r3 + 12)(r - 5)
B. (4r3 + 20)(r - 3)
C. 4r4(r + 3)(r - 5)
D. 4r4(r - 3)(r + 5)
Answer: C
Mathematics
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Evaluate the line integral along the curve C.
ds , C is the straight-line segment x = 0, y = 5 - t, z = t from (0, 5, 0) to 
A. 25
B. 0
C. 
D. 25
Mathematics
Determine whether the following points are vertices of a right triangle.A(3, 1), B(5, 5), C(7, 4)
A. Yes B. No
Mathematics
Solve.There are n people in a room. The number N of possible handshakes by all the people in the room is given by the function N(n) = 
. For what number n of people is 28 ? N ? 325 ?
A. {n|9 ? n ? 25} B. {n|8 ? n ? 26} C. {n|7 ? n ? 28} D. {n|10 ? n ? 25}
Mathematics
Solve.
x2 = 9
A. 81, -81 B. No solution C. 9, -9 D. 3 , - 3
Mathematics