Find the first term and the common ratio of the geometric sequence.an = 
n
A. a1 = 
, r = 
n
B. a1 = - 
, r = 
C. a1 = - 
, r = - 
D. a1 = 
, r = - 
Answer: C
Mathematics
You might also like to view...
Solve the problem.In studying the gravitational force between two objects, the expression 
occurs. Show that this expression can be written as 
What will be an ideal response?
Mathematics
Multiply. Write the result in the form a + bi.(6 - 9i)(2 + 4i)
A. 48 - 6i B. 48 + 6i C. -24 - 42i D. -36i2 + 6i + 12
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 10x
A. (5, -25); x = 5 B. (-5, 25); x = -5 C. (25, -5); x = 25 D. (-25, 5); x = -25
Mathematics
Complete the identity.cos ? - cos ? sin2 ? = ?
A. sec2 ? B. cos3 ? C. sin ? D. tan2 ?
Mathematics