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# 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

Solutions for Chapter 9.2
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##### ISBN: 9780618643448

This expansive textbook survival guide covers the following chapters and their solutions. Chapter 9.2: Arithmetic Sequences and Partial Sums includes 111 full step-by-step 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 93292 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780618643448.

Key Calculus Terms and definitions covered in this textbook
• Blocking

A feature of some experimental designs that controls for potential differences between subject groups by applying treatments randomly within homogeneous blocks of subjects

• Compounded k times per year

Interest compounded using the formula A = Pa1 + rkbkt where k = 1 is compounded annually, k = 4 is compounded quarterly k = 12 is compounded monthly, etc.

• Continuous function

A function that is continuous on its entire domain

• Elimination method

A method of solving a system of linear equations

• equation of a quadratic function

ƒ(x) = ax 2 + bx + c(a ? 0)

• Expanded form of a series

A series written explicitly as a sum of terms (not in summation notation).

• Infinite limit

A special case of a limit that does not exist.

• Inverse properties

a + 1-a2 = 0, a # 1a

See Polynomial function in x.

• Leibniz notation

The notation dy/dx for the derivative of ƒ.

• Observational study

A process for gathering data from a subset of a population through current or past observations. This differs from an experiment in that no treatment is imposed.

• Ordered set

A set is ordered if it is possible to compare any two elements and say that one element is “less than” or “greater than” the other.

• Outcomes

The various possible results of an experiment.

• PH

The measure of acidity

• Root of a number

See Principal nth root.

• Translation

See Horizontal translation, Vertical translation.

• Unit vector in the direction of a vector

A unit vector that has the same direction as the given vector.

• Venn diagram

A visualization of the relationships among events within a sample space.

• Weighted mean

A mean calculated in such a way that some elements of the data set have higher weights (that is, are counted more strongly in determining the mean) than others.

• x-axis

Usually the horizontal coordinate line in a Cartesian coordinate system with positive direction to the right,.