Factor.x4 + 13x2 + 40
A. (x2 + 5)(x2 - 8)
B. (x2 - 5)(x2 + 8)
C. (x2 - 5)(x2 - 8)
D. (x2 + 5)(x2 + 8)
Answer: D
Mathematics
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Write an equation of the line.
A. y = 
x
B. y = - 
x
C. y = - 
x
D. y = 
x
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Find the vertices and graph the hyperbola.
- 
= 1
A. (-
, 0), (
, 0)
B. (-6, 0), (6, 0)
C. (0, -7), (0, 7)
D. (-7, 0), (7, 0)
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Solve the problem.In four rounds of a card game, you get scores of 6, -1, 2, and 9. What is your final score?
A. -18 B. 16 C. -16 D. 18
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log
A. 
log x + 3
B. 
log x - 3
C. 1000x
D. -30x
Mathematics