3. Write the first five terms of the sequence given by an = (-1)" (2n + 1). Show all work. Write your answers on the line provided.

Q: Find the sum of the first eight terms of the sequence 18, -14, 12

A:

Q: A theater has 26 rows of seating. The first row has 18 seats. The second has 20 seats. The third has…

A: Given: A theater has 26 rows of seating. 1st row =18 seats 2nd row=20 seats 3rd row=22 seats and so…

Q: Write t15 for the sequence − 3,−6,−12,−24,...

A: Given sequence is -3,-6,-12,-24...   The general term of a geometric sequence with first term a1a1…

Q: Find a20 for the sequence of positive 3-digit numbers that are multiples of 8.

A: The first three digit number divisible by 8 is 104.

Q: The first five terms of the sequence an = 5(-1/10)n-1

A: We need to find the first five terms of the sequence an = 5(-1/10)^(n-1)

Q: Find the 13th term of the arithmetic sequence 3x-11, -6, -3x-1, -6x + 4.

A:

Q: Find the infinite sum 1+0.6 + (0.6)² + (0.6)³ - Please write your answer as a decimal

A:

Q: Find the sum of the first 109 terms in the sequence with a1=-3 and d=5.

A: Given  First term a1=−3 Common difference d=5 number of terms n=109

Q: What is the formula of the sequence -6,-3,-2,-3/2,-6/5...

A: The sequence is -6,-3,-2,-3/2,-6/5...

Q: Give the next three terms in the following sequence and find the equation which generates it. You…

A:

Q: Find the 8th term in the sequence 18n-36.

A: Put n= 8