Arithmetic Sequence

Write the explicit rule for the arithmetic sequence
12, 10, 8, 6, ...

• a_n = 2n + 14

• a_n = 2n - 14
• a_n = -2n + 14
• a_n = -2n + 12

Tags

CCSS.HSF.BF.A.2

Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

Tags

CCSS.HSF.BF.A.2

Tags

CCSS.HSF.BF.A.2

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

• 550

• 610

• 638

• 288

• 1911

• -2346

• -1449

• -1218

Find the sum of the first 13 terms of :

2, 6, 10, 14, ….

Number answer only

Determine the sum of the series written in Sigma Notation. Number answer only.

• 5400
• 2692
• 2700
• 2704

There are 20 rows of seats on a concert hall: 25 seats are in the 1^st row, 27 seats on the 2^nd row, 29 seats on the 3^rd row, and so on. How many seats are in the last row?

• 950

• 67

• 65

• 63

Tags

CCSS.HSF.BF.A.2

There are 20 rows of seats on a concert hall: 25 seats are in the 1^st row, 27 seats on the 2^nd row, 29 seats on the 3^rd row, and so on. How many seats total are in the concert hall?

• 950

• 63

• 1100

• 880

Tags

CCSS.HSF.BF.A.2

A recovering heart attack patient is told to get on a regular walking program. The patient is told to walk a distance of 5 km the first week, 8 km the second week, 11 km the third week and so on for a period of 10 weeks. If he reaches his goal, how many total km will he have walked during the 10 week period?

• 185 km

• 32 km

• 370 km

• 175vkm

Tags

CCSS.HSF.BF.A.2