 13.4.1: Find the common difference d for each of the following arithmetic s...
 13.4.2: Which of the following are arithmetic sequences? (a) 2, 4, 8, 16, ....
 13.4.3: In Exercises 3 8, find the indicated term in each sequence.. 10, 21...
 13.4.4: In Exercises 3 8, find the indicated term in each sequence.. 10, 21...
 13.4.5: In Exercises 3 8, find the indicated term in each sequence.6, 11, 1...
 13.4.6: In Exercises 3 8, find the indicated term in each sequence.2/5, 4/5...
 13.4.7: In Exercises 3 8, find the indicated term in each sequence.1, 0, 1,...
 13.4.8: In Exercises 3 8, find the indicated term in each sequence.42, 1, 4...
 13.4.9: The fourth term in an arithmetic sequence is 6, and the 10th term i...
 13.4.10: The fifth term in an arithmetic sequence is 1/2, and the 20th term ...
 13.4.11: The 60th term in an arithmetic sequence is 105, and the common diff...
 13.4.12: Find the common difference in an arithmetic sequence in which a10 a...
 13.4.13: Find the common difference in an arithmetic sequence in which a15 a...
 13.4.14: Find the sum of the first 16 terms in the sequence 2, 11, 20, 29,....
 13.4.15: Find the sum of the first 1000 terms in the sequence 1, 2, 3, 4, . ...
 13.4.16: Find the sum of the first 50 terms in an arithmetic series that has...
 13.4.17: Find the sum:p32p3 p4p3 p13p3 .13A
 13.4.18: Find the sum:1e3e5e p21e .
 13.4.19: Determine the first term of an arithmetic sequence in which the com...
 13.4.20: The sum of the first 12 terms in an arithmetic sequence is 156. Wha...
 13.4.21: In a certain arithmetic sequence, the first term is 4, and the 16th...
 13.4.22: The fifth and 50th terms of an arithmetic sequence are 3 and 30, re...
 13.4.23: The eighth term in an arithmetic sequence is 5, and the sum of the ...
 13.4.24: In Exercises 24 26, find each sum.a10i112i 12 1 3 5 p 191
 13.4.25: In Exercises 24 26, find each sum.20k1
 13.4.26: In Exercises 24 26, find each sum.a100
 13.4.27: The sum of three consecutive terms in an arithmetic sequence is 30,...
 13.4.28: The sum of three consecutive terms in an arithmetic sequence is 21,...
 13.4.29: The sum of three consecutive terms in an arithmetic sequence is 6, ...
 13.4.30: In a certain arithmetic sequence, a 4 and d 6. If Sn 570, find n.
 13.4.31: Let a1 1/(1 ), a2 1, and a3 1/(1 ). (a) Show that a2 a1 a3 a2. (b) ...
 13.4.32: Using mathematical induction, prove that the nth term of the sequen...
 13.4.33: Let b denote a positive constant. Find the sum of the first n terms...
 13.4.34: The sum of the first n terms in a certain arithmetic sequence is gi...
 13.4.35: Let a1, a2, a3, . . . be an arithmetic sequence, and let Sk denote ...
 13.4.36: If the common difference in an arithmetic sequence is twice the fir...
 13.4.37: The lengths of the sides of a right triangle form three consecutive...
 13.4.38: Suppose that 1/a, 1/b, and 1/c are three consecutive terms in an ar...
 13.4.39: Suppose that a, b, and c are three positive numbers with a c 2b. If...
Solutions for Chapter 13.4: ARITHMETIC SEQUENCES AND SERIES
Full solutions for Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CDROM) (Available 2010 Titles Enhanced Web Assign)  4th Edition
ISBN: 9780534402303
Solutions for Chapter 13.4: ARITHMETIC SEQUENCES AND SERIES
Get Full SolutionsChapter 13.4: ARITHMETIC SEQUENCES AND SERIES includes 39 full stepbystep solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 39 problems in chapter 13.4: ARITHMETIC SEQUENCES AND SERIES have been answered, more than 24995 students have viewed full stepbystep solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CDROM) (Available 2010 Titles Enhanced Web Assign), edition: 4. Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CDROM) (Available 2010 Titles Enhanced Web Assign) was written by and is associated to the ISBN: 9780534402303.

Acute triangle
A triangle in which all angles measure less than 90°

Annual percentage yield (APY)
The rate that would give the same return if interest were computed just once a year

Coordinate(s) of a point
The number associated with a point on a number line, or the ordered pair associated with a point in the Cartesian coordinate plane, or the ordered triple associated with a point in the Cartesian threedimensional space

Direct variation
See Power function.

Feasible points
Points that satisfy the constraints in a linear programming problem.

Focus, foci
See Ellipse, Hyperbola, Parabola.

Graph of a polar equation
The set of all points in the polar coordinate system corresponding to the ordered pairs (r,?) that are solutions of the polar equation.

Imaginary part of a complex number
See Complex number.

Irreducible quadratic over the reals
A quadratic polynomial with real coefficients that cannot be factored using real coefficients.

Linear inequality in two variables x and y
An inequality that can be written in one of the following forms: y 6 mx + b, y … mx + b, y 7 mx + b, or y Ú mx + b with m Z 0

Logarithm
An expression of the form logb x (see Logarithmic function)

nth root
See Principal nth root

Polar form of a complex number
See Trigonometric form of a complex number.

Position vector of the point (a, b)
The vector <a,b>.

Quadrant
Any one of the four parts into which a plane is divided by the perpendicular coordinate axes.

Random numbers
Numbers that can be used by researchers to simulate randomness in scientific studies (they are usually obtained from lengthy tables of decimal digits that have been generated by verifiably random natural phenomena).

Rational function
Function of the form ƒ(x)/g(x) where ƒ(x) and g(x) are polynomials and g(x) is not the zero polynomial.

Symmetric about the origin
A graph in which (x, y) is on the the graph whenever (x, y) is; or a graph in which (r, ?) or (r, ? + ?) is on the graph whenever (r, ?) is

Variable
A letter that represents an unspecified number.

xcoordinate
The directed distance from the yaxis yzplane to a point in a plane (space), or the first number in an ordered pair (triple), pp. 12, 629.