 9.2.1: Fill in the blanks. A sequence is called an ________ sequence if th...
 9.2.2: Fill in the blanks. The th term of an arithmetic sequence has the f...
 9.2.3: Fill in the blanks. The formula can be used to find the sum of the ...
 9.2.4: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.5: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.6: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.7: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.8: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.9: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.10: In Exercises 110, determine whether the sequence is arithmetic. If ...
 9.2.11: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.12: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.13: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.14: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.15: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.16: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.17: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.18: In Exercises 1118, write the first five terms of the sequence. Dete...
 9.2.19: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.20: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.21: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.22: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.23: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.24: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.25: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.26: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.27: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.28: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.29: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.30: In Exercises 1930, find a formula for for the arithmetic sequence.
 9.2.31: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.32: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.33: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.34: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.35: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.36: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.37: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.38: In Exercises 3138, write the first five terms of the arithmetic seq...
 9.2.39: In Exercises 3944, write the first five terms of the arithmetic seq...
 9.2.40: In Exercises 3944, write the first five terms of the arithmetic seq...
 9.2.41: In Exercises 3944, write the first five terms of the arithmetic seq...
 9.2.42: In Exercises 3944, write the first five terms of the arithmetic seq...
 9.2.43: In Exercises 3944, write the first five terms of the arithmetic seq...
 9.2.44: In Exercises 3944, write the first five terms of the arithmetic seq...
 9.2.45: In Exercises 4548, the first two terms of the arithmetic sequence a...
 9.2.46: In Exercises 4548, the first two terms of the arithmetic sequence a...
 9.2.47: In Exercises 4548, the first two terms of the arithmetic sequence a...
 9.2.48: In Exercises 4548, the first two terms of the arithmetic sequence a...
 9.2.49: In Exercises 4952, match the arithmetic sequence with its graph. [T...
 9.2.50: In Exercises 4952, match the arithmetic sequence with its graph. [T...
 9.2.51: In Exercises 4952, match the arithmetic sequence with its graph. [T...
 9.2.52: In Exercises 4952, match the arithmetic sequence with its graph. [T...
 9.2.53: In Exercises 5356, use a graphing utility to graph the first 10 ter...
 9.2.54: In Exercises 5356, use a graphing utility to graph the first 10 ter...
 9.2.55: In Exercises 5356, use a graphing utility to graph the first 10 ter...
 9.2.56: In Exercises 5356, use a graphing utility to graph the first 10 ter...
 9.2.57: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.58: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.59: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.60: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.61: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.62: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.63: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.64: In Exercises 5764, find the indicated th partial sum of the arithme...
 9.2.65: Find the sum of the first 100 positive odd integers.
 9.2.66: Find the sum of the integers from to 50.
 9.2.67: In Exercises 6774, find the partial sum.
 9.2.68: In Exercises 6774, find the partial sum.
 9.2.69: In Exercises 6774, find the partial sum.
 9.2.70: In Exercises 6774, find the partial sum.
 9.2.71: In Exercises 6774, find the partial sum.
 9.2.72: In Exercises 6774, find the partial sum.
 9.2.73: In Exercises 6774, find the partial sum.
 9.2.74: In Exercises 6774, find the partial sum.
 9.2.75: In Exercises 7580, use a graphing utility to find the partial sum.
 9.2.76: In Exercises 7580, use a graphing utility to find the partial sum.
 9.2.77: In Exercises 7580, use a graphing utility to find the partial sum.
 9.2.78: In Exercises 7580, use a graphing utility to find the partial sum.
 9.2.79: In Exercises 7580, use a graphing utility to find the partial sum.
 9.2.80: In Exercises 7580, use a graphing utility to find the partial sum.
 9.2.81: In Exercises 81 and 82, consider a job offer with the given startin...
 9.2.82: In Exercises 81 and 82, consider a job offer with the given startin...
 9.2.83: Seating Capacity Determine the seating capacity of an auditorium wi...
 9.2.84: Seating Capacity Determine the seating capacity of an auditorium wi...
 9.2.85: Brick Pattern A brick patio has the approximate shape of a trapezoi...
 9.2.86: Brick Pattern A triangular brick wall is made by cutting some brick...
 9.2.87: Falling Object An object with negligible air resistance is dropped ...
 9.2.88: Falling Object An object with negligible air resistance is dropped ...
 9.2.89: Prize Money A county fair is holding a baked goods competition in w...
 9.2.90: Prize Money A city bowling league is holding a tournament in which ...
 9.2.91: Total Profit A small snowplowing company makes a profit of $8000 du...
 9.2.92: Total Sales An entrepreneur sells $15,000 worth of sports memorabil...
 9.2.93: Borrowing Money You borrowed $2000 from a friend to purchase a new ...
 9.2.94: Borrowing Money You borrowed $5000 from your parents to purchase a ...
 9.2.95: Data Analysis: Personal Income The table shows the per capita perso...
 9.2.96: Data Analysis: Revenue The table shows the annual revenue (in milli...
 9.2.97: True or False? In Exercises 97 and 98, determine whether the statem...
 9.2.98: True or False? In Exercises 97 and 98, determine whether the statem...
 9.2.99: Writing In your own words, explain what makes a sequence arithmetic.
 9.2.100: Writing Explain how to use the first two terms of an arithmetic seq...
 9.2.101: Exploration (a) Graph the first 10 terms of the arithmetic sequence...
 9.2.102: Pattern Recognition (a) Compute the following sums of positive odd ...
 9.2.103: Think About It The sum of the first 20 terms of an arithmetic seque...
 9.2.104: Think About It The sum of the first terms of an arithmetic sequence...
 9.2.105: In Exercises 105108, find the slope and yintercept (if possible) o...
 9.2.106: In Exercises 105108, find the slope and yintercept (if possible) o...
 9.2.107: In Exercises 105108, find the slope and yintercept (if possible) o...
 9.2.108: In Exercises 105108, find the slope and yintercept (if possible) o...
 9.2.109: In Exercises 109 and 110, use GaussJordan elimination to solve the...
 9.2.110: In Exercises 109 and 110, use GaussJordan elimination to solve the...
 9.2.111: Make a Decision To work an extended application analyzing the media...
Solutions for Chapter 9.2: Arithmetic Sequences and Partial Sums
Full solutions for Precalculus  7th Edition
ISBN: 9780618643448
Solutions for Chapter 9.2: Arithmetic Sequences and Partial Sums
Get Full SolutionsThis expansive textbook survival guide covers the following chapters and their solutions. Chapter 9.2: Arithmetic Sequences and Partial Sums includes 111 full stepbystep solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Since 111 problems in chapter 9.2: Arithmetic Sequences and Partial Sums have been answered, more than 26002 students have viewed full stepbystep solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780618643448.

Addition property of equality
If u = v and w = z , then u + w = v + z

Algebraic model
An equation that relates variable quantities associated with phenomena being studied

Arcsecant function
See Inverse secant function.

Arrow
The notation PQ denoting the directed line segment with initial point P and terminal point Q.

Constant term
See Polynomial function

Decreasing on an interval
A function f is decreasing on an interval I if, for any two points in I, a positive change in x results in a negative change in ƒ(x)

Degree
Unit of measurement (represented by the symbol ) for angles or arcs, equal to 1/360 of a complete revolution

Distributive property
a(b + c) = ab + ac and related properties

Equivalent systems of equations
Systems of equations that have the same solution.

Grapher or graphing utility
Graphing calculator or a computer with graphing software.

Integrable over [a, b] Lba
ƒ1x2 dx exists.

Inverse cosine function
The function y = cos1 x

Logistic regression
A procedure for fitting a logistic curve to a set of data

Monomial function
A polynomial with exactly one term.

Multiplicative inverse of a matrix
See Inverse of a matrix

Power function
A function of the form ƒ(x) = k . x a, where k and a are nonzero constants. k is the constant of variation and a is the power.

Reference angle
See Reference triangle

Scatter plot
A plot of all the ordered pairs of a twovariable data set on a coordinate plane.

Symmetric property of equality
If a = b, then b = a

Triangular number
A number that is a sum of the arithmetic series 1 + 2 + 3 + ... + n for some natural number n.