Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 9; r = 5
A. a5 = 28,125; an = 9 ? (5)n
B. a5 = 5625; an = 9 ? (5)n-1
C. a5 = 5625; an = 9 ? (5)n
D. a5 = 28,125; an = 9 ? (5)n-1
Answer: B
You might also like to view...
Find the missing length, x, for the similar triangles.
A. x = 7.0; y = 3.6 B. x = 7.0; y = 3.9 C. x = 1.12; y = 3.6 D. x = 8.0; y = 3.9
Simplify.8[-7 + 8(-4 + 8)]
A. 28 B. 200 C. -24 D. 32
Solve the problem.The sum of the squares of two numbers is 130. The difference of the two numbers is -16. Find the two numbers.
A. -9 and -7 or 7 and 9 B. -7 and 9 or -9 and 7 C. -9 and 7 D. -7 and 9
Find all intercepts for the given function. Round to the nearest tenth if necessary.f(x) = e(x + 2) - 6
A. x-int: (1.1, 0); y-int: (0, 1.4) B. x-int: (-0.2, 0); y-int: (0, 1.4) C. x-int: (-0.2, 0); y-int: (0, 0) D. x-int: (1.4, 0); y-int: (0, -0.2)