Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a4 when a1 = 2000, r = - .

A. -125
B. -25
C. -250
D. 250


Answer: C

Mathematics

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Solve the problem.A given line goes through the points (-1, 3) and (-2, -4). If a line is to be drawn parallel to the given line, what will be its slope?

A. - 
B. - 7
C. 7
D.

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Find the sign of the following.sin , given that ? is in the interval (180°, 270°).

A. negative B. positive

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Use the fundamental identities to find the value of the trigonometric function.Find cos ? if tan ? =  and ? is in quadrant III.

A.
B. - 
C. - 
D.

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Solve the equation. = 3 + 

A. ? B. {-5, -8} C. {5, 8} D. {-1}

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