Factor the trinomial completely.12y4 - 7y2 - 12
A. (4y - 3)(3y + 4)
B. (3y2 - 4)(4y2 + 3)
C. (12y2 - 4)(y2 + 3)
D. (3y2 + 1)(4y2 - 12)
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
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Find the LCD. Do not combine fractions.
, 
A. 3(x + 1)(x - 4) B. 3(x + 1)(x + 4) C. 3(x - 1)(x - 4) D. 3(x - 1)(x + 4)
Mathematics
Express as a single logarithm and, if possible, simplify.logb a - logb y
A. log2b 
B. logb a - y
C. logb 
D. logb 
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Solve the equation. Express radicals in simplest form.
- 
= 
A. 
B. ?
C. 
D. {1}
Mathematics