Determine whether the sequence is arithmetic. If so, find the common difference.
?
7, , 6, , 5, ...
?

A. Arithmetic sequence, d =  -1
B. Arithmetic sequence, 
C. Arithmetic sequence, 
D. Arithmetic sequence, d = -2
E. Not an arithmetic sequence


Answer: C

Mathematics

You might also like to view...

Evaluate the expression for the given value of x. ? ,    x = - 3 ?

A. 54 B. 27 C. -27 D. 6 E. -54

Mathematics

Decide if the given equation is a solution of the given differential equation.y' - 3x2 = -9, y = x3 - 9x + c

A. No B. Yes

Mathematics

Simplify.3(x + 3y - z) - 3(2x - y + 3z)

A. 9x + 12y - 12z B. -3x + 6y - 12z C. -3x + 12y + 12z D. -3x + 12y - 12z

Mathematics

Find  by implicit differentiation. ? ?

A.
B.
C.
D.
E.

Mathematics