Determine whether the sequence is arithmetic.5, -15, 45, -135, 405, ...

A. Arithmetic
B. Not arithmetic


Answer: B

Mathematics

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Find the approximate slope of the line that contains the two given points. Round your result to the second decimal place. State whether the line is increasing, decreasing, horizontal, or vertical.(-7.6, 4.6) and (-6.6, -7.8)

A. -12.40; increasing B. 12.40; increasing C. -12.40; decreasing D. -0.08; decreasing

Mathematics

Provide an appropriate response.Add the fractions and reduce:  +  + 

A.
B.
C.
D.

Mathematics

Find the phase shift or vertical shift as requested.Find the phase shift of y = -5 sin 

A.
B.
C. -?
D.

Mathematics

Find the standard equation of the parabola that satisfies the given conditions. Vertex: (-3, 2); directrix: y = 7

A. (x + 3)2 = -20(y - 2) B. (y + 3)2 = -20(x - 2) C. (y + 3)2 = 8(x - 2) D. (x + 3)2 = -20(y + 2)

Mathematics