- 8.1.1: In Exercises 12, perform each matrix row operation and write the ne...
- 8.1.2: In Exercises 12, perform each matrix row operation and write the ne...
- 8.1.3: In Exercises 35, solve each system of equations using matrices. Use...
- 8.1.4: In Exercises 35, solve each system of equations using matrices. Use...
- 8.1.5: In Exercises 35, solve each system of equations using matrices. Use...
- 8.1.6: The table shows the pollutants in the air in a city on a typical su...
- 8.1.7: Sociologists Joseph Kahl and Dennis Gilbert developed a six-tier mo...
Solutions for Chapter 8.1: Precalculus 5th Edition
Full solutions for Precalculus | 5th Edition
An observational study that gathers data from an entire population
Convergence of a series
A series aqk=1 ak converges to a sum S if imn: q ank=1ak = S
Variable representing the range value of a function (usually y)
Graph of parametric equations
The set of all points in the coordinate plane corresponding to the ordered pairs determined by the parametric equations.
A graph that visually represents the information in a frequency table using rectangular areas proportional to the frequencies.
The line is a horizontal asymptote of the graph of a function ƒ if lim x:- q ƒ(x) = or lim x: q ƒ(x) = b
The numbers . . ., -3, -2, -1, 0,1,2,...2
Lower bound for real zeros
A number c is a lower bound for the set of real zeros of ƒ if ƒ(x) Z 0 whenever x < c
A mathematical structure that approximates phenomena for the purpose of studying or predicting their behavior
Negative linear correlation
See Linear correlation.
nth power of a
The number with n factors of a , where n is the exponent and a is the base.
An annuity in which deposits are made at the same time interest is posted.
The numbers (r, ?) that determine a point’s location in a polar coordinate system. The number r is the directed distance and ? is the directed angle
The movement of an object that is subject only to the force of gravity
A function that can be written in the form ƒ(x) = ax 2 + bx + c, where a, b, and c are real numbers, and a ? 0.
Reflection through the origin
x, y and (-x,-y) are reflections of each other through the origin.
Removable discontinuity at x = a
lim x:a- ƒ(x) = limx:a+ ƒ(x) but either the common limit is not equal ƒ(a) to ƒ(a) or is not defined
See Horizontal translation, Vertical translation.
A vector that specifies the motion of an object in terms of its speed and direction.
Usually the third dimension in Cartesian space.