Use FOIL to multiply.(3x + 1)(3x - 1)
A. 9x2 - 6x - 1
B. 9x2 + 6x - 1
C. 9x2 - 1
D. 3x2 - 6x - 1
Answer: C
Mathematics
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Solve.
= 2
A. 4, 6 B. 8, -4 C. 8, 4 D. -4, 6
Mathematics
In the diagram below, the sum of the numbers in any 2 small circles is the number in the large circle between them. Complete the diagram so that the same pattern holds.
A. 
B. 
C. 
Mathematics
Use the properties of logarithms to rewrite the expression. Simplify the result if possible. Assume all variables represent positive real numbers.log4 (7x + 11y)
A. log4 7x + log4 11y B. (log4 7x) (log4 11y) C. log4 77xy D. log4 (7x + 11y)
Mathematics
Add or subtract as indicated. Simplify the result, if possible.
- 
A. - 
B. - 
C. 
D. 
Mathematics