Find a1, r, an, n, or Sn for the geometric sequence, as instructed.r = - 2, n = 5, a5 = 64; Find a1.
A. - 8
B. 4
C. - 2
D. 64
Answer: B
You might also like to view...
Factor completely.8a3 - 27b3
A. (2a + 3b2)(4a2 - 6ab + 9b2) B. (2a - 3b)(4a2 + 6ab + 9b2) C. (2a - 3b)(4a2 + 9b2) D. (8a - 3b)(a2 + 6ab + 9b2)
Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f(-8, 3) = 227, local maximum B. f(-8, -3) = 191, saddle point C. f(8, -3) = -65, local minimum D. f(8, 3) = -29, saddle point
Write the statement in words and decide whether it is true or false.
? 
What will be an ideal response?
Solve the problem.A triangle has a base of length 2x + 3 and a height of x + 3 and has an area of 27 square units. Find the length of base and height. (A = 
BH)
A. base = 9 units; height = 6 units B. base = 3 units; height = 9 unit C. base = 9 units; height = 3 units D. base = 18 units; height = 3 units