Find the indicated term for the geometric sequence with the first term a1 and common ratio r.Find a5 when a1 = 2, r = -3
A. a5 = 486
B. a5 = 162
C. a5 = -162
D. a5 = -486
Answer: B
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Provide an appropriate response.What is the sum of three consecutive integers in terms of the middle number x? What would the sum be in terms of the middle number for five and seven consecutive integers? What can you generalize about the sum of n consecutive integers where n is odd?
Fill in the blank(s) with the appropriate word(s).
Write the linear system corresponding to the reduced augmented matrix.
A. x1 = -4, x2 = t + 6, x3 = t for any real number t B. No Solution C. x1 = 4, x2 = -t + 6, x3 = t for any real number t D. x1 = 4, x2 = t + 6, x3 = 0
Find the exact value of the expression. Do not use a calculator.sin (3?) + cos 
A. 0 B. -2 C. 1 D. -1
Use the unit circle and any appropriate relationship among the trigonometric functions to find the value.
cos 
A. 
B. - 
C. Undefined
D. - 