Solve and check.
- 6 = 
A. x = 2
B. x = -2
C. x = 0
D. There is no solution.
Answer: D
Mathematics
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Solve the system by the substitution or the addition method.
A. 
B. (5, 1)
C. Infinite number of solutions
D. No solution
Mathematics
Find the domain and the range for the function.
A. D: All real numbers, R: All real numbers
B. D: 
, R: All real numbers
C. D: 
, R: 
D. D: 
, R: 
Mathematics
Write out the first five terms of the sequence.an = 2n
A. 4, 8, 16, 32, 64 B. 2, 4, 8, 16, 32 C. 1, 4, 9, 16, 25 D. 1, 2, 4, 8, 16
Mathematics
Factor by grouping.x2 - xy + 4x - 4y
A. (x - y)(x + 4) B. (x + y)(x + 4) C. (x - y)(x - 4) D. (x + y)(x - 4)
Mathematics