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.4, -12, 36, -108, 324, ...
A. Arithmetic; d = -16
B. Geometric; r = -3
C. Geometric; r = 3
D. Neither
Answer: B
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Determine whether the circle with the given equation is symmetric to either axis or to the origin.2x2 + 2y2 + 8y - 73 = 0
A. Symmetric to both axes B. Symmetric to y-axis C. Symmetric to x-axis D. Symmetric to neither axis nor origin
Write in if-then form.I won't go until it's 7 pm.
A. If it's 7 pm, then I'll go. B. If I go, then it's 7 pm. C. If it's not 7 pm, then I won't go. D. If I don't go, then it's not 7 pm.
Solve by making a u-substitution.x6 + 9x3 + 8 = 0
A. {-2, 1} B. {2, -1} C. {2, 1} D. {-2, -1}
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-5x + 3y = 8-2x + 4y = 20
A. (2, 6) B. (-2, -6) C. (6, 2) D. (-6, -2)