Find the first term a1 and the common difference d of the arithmetic sequence.-16, -18, -20, -22, . . .

A. a1 = -16, d = -6
B. a1 = -2, d = -4
C. a1 = -2, d = 2
D. a1 = -16, d = -2


Answer: D

Mathematics

You might also like to view...

Multiply and simplify.(sin x - cos x)(sec x + csc x)

A. cos x - cot x B. tan x - sin x C. tan x - cot x D. cot x + csc x

Mathematics

Solve the problem.The number of students infected with the flu on a college campus after t days is modeled by the function   What is the maximum number of infected students possible?

A. 720 students B. 9 students C. 180 students D. 360 students

Mathematics

Write the number in decimal notation without the use of exponents.-7.19 × 106

A. -7,190,000 B. 7,190,000 C. -71,900,000 D. -719,000

Mathematics

Given the function, find the indicated value.f(x) = 8 - 6x2; f(5)

A. -142 B. -22 C. 158 D. -52

Mathematics