Find the first term and the common ratio of the geometric sequence.3, -6, 12, -24, 48, . . .
A. a1 = -2, r = 2
B. a1 = 3, r = - 
C. a1 = 3, r = -2
D. a1 = -2, r = 6
Answer: C
Mathematics
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A. well defined B. not well defined
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Provide an appropriate response. Use a table of solutions to graph the quadratic equation:y = x2 + 1.
A. 
B. 
C. 
D. 
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Graph the system of inequalities.-x + 4y < -16x ? -3
A. 
B. 
C. 
D. 
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Subtract. Simplify, if possible.7
- 
A. 7
B. 6
C. 7
D. 7
Mathematics