The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.an = 2n - 4
A. arithmetic, d = 2
B. arithmetic, d = -4
C. geometric, r = 2
D. neither
Answer: A
Mathematics
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Match the polynomial with its binomial factors.11x2 + 122x + 11
A. (11x - 1)(x - 11) B. (11x + 1)(x + 11) C. (11x + 11)(x + 1) D. (11x - 1)(x + 1)
Mathematics
Use the substitution method to solve the system.9x - 7y = 212x - 5y = 15
A. (0, -2) B. (0, -3) C. (-1, -2) D. No solution
Mathematics
Solve the problem.Sarah has grades of 90 and 97 on his first two tests. If she wants an average of at least 90 after her third test, what score must she make on that test?
A. 83 or more B. 94 or more C. 92 or more D. 90 or more
Mathematics
Solve.1.4x - 3.3 = 0.8x - 1.8
A. x = 2.6 B. x = 2.75 C. x = -0.4 D. x = 2.5
Mathematics