Use the Formula for the Sum of the First N $$\sum _ { \mathrm { i } = 1 } ^ { 27 } ( 2 \mathrm { i } - 5 )$$

question 114

Multiple Choice

Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
- $$\sum _ { \mathrm { i } = 1 } ^ { 27 } ( 2 \mathrm { i } - 5 )$$

• A) 621
• B) 594
• C) 729
• D) \(823.5\)