Factor the trinomial completely.12a2 - 52a - 40
A. 4(3a - 2)(a + 5)
B. 4(3a + 2)(a - 5)
C. (3a + 2)(4a - 20)
D. (12a + 8)(a - 5)
Answer: B
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Complete the operation and simplify if necessary.
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A piece of cardboard is twice as long as it is wide. It is to be made into a box with an open top by cutting 4 cm squares from each corner and folding up the sides. Let x represent the width of the original piece of cardboard. Determine a function V that represents the volume of the box in terms of x.
A. V(x) = 4x2 - 64x + 256 B. V(x) = 8x2 - 96x + 256 C. V(x) = 8x2 - 48x + 64 D. V(x) = 8x2
The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.
, 
, 
, 
, ...
A. an = 
B. n(n + 2)
C. an = 
D. an = 
Multiply or divide as indicated.-10 ? (-8)
A. -90 B. 90 C. 88 D. 80