Find a general term an for the geometric sequence.a1 = , r = 9

A. an =  - (n - 1)
B. an =  ? 9n-1
C. an =  + (n - 1)
D. an = n-1 - 

Answer: B

Mathematics

You might also like to view...

Find the x-intercepts of the graph of each equation.y = (3x - 8)(x + 1)

A. , (1, 0)
B. , (-1, 0)
C. , (-1, 0)
D. , (0, 0)

View
Mathematics

Solve the quadratic equation by any method.7x2 + 10x = - 2

A. -10
B.   
C. 7, 14
D. -5, 0

View
Mathematics

Find the limit.9 cos 

A. 1 B. 0 C. 9 D. - 9

View
Mathematics

Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.s(x) = -x2 + 2x - 1

A.

Vertex (-1, 0)
x-int = (-1, 0);
y-int = (0, -1)
B.

Vertex (1, 0)
x-int = (1, 0);
y-int = (0, -1)
C.

Vertex (0, 1)
x-int = (-1, 0), (1, 0);
y-int = (0, 1)
D.

Vertex (0, -1)
no x -intercepts;
y-int = (0, -1)

View
Mathematics