- 9-1.1: The total is 10.
- 9-1.2: The total is at least 10.
- 9-1.3: The total is less than 10.
- 9-1.4: The total is at most 10.
- 9-1.5: The total is 7.
- 9-1.6: The total is 2.
- 9-1.7: The total is between 3 and 7, inclusive.
- 9-1.8: The total is between, but does not include, 3 and 7.
- 9-1.9: The total is between 2 and 12, inclusive.
- 9-1.10: The total is 13.
- 9-1.11: The numbers are 2 and 5.
- 9-1.12: The blue die shows 2 and the white die shows 5.
- 9-1.13: The blue die shows 2 or the white die shows 5.
Solutions for Chapter 9-1: Introduction to Probability
Full solutions for Precalculus with Trigonometry: Concepts and Applications | 1st Edition
See Right circular cone.
Distance (in a coordinate plane)
The distance d(P, Q) between P(x, y) and Q(x, y) d(P, Q) = 2(x 1 - x 2)2 + (y1 - y2)2
Future value of an annuity
The net amount of money returned from an annuity.
Graph of parametric equations
The set of all points in the coordinate plane corresponding to the ordered pairs determined by the parametric equations.
Increasing on an interval
A function ƒ is increasing on an interval I if, for any two points in I, a positive change in x results in a positive change in.
Matrix, m x n
A rectangular array of m rows and n columns of real numbers
Multiplication principle of counting
A principle used to find the number of ways an event can occur.
Length of 1 minute of arc along the Earth’s equator.
The graph of parametric equations.
The measure of acidity
Product of functions
(ƒg)(x) = ƒ(x)g(x)
An expression that can be written as a ratio of two polynomials.
Recursively defined sequence
A sequence defined by giving the first term (or the first few terms) along with a procedure for finding the subsequent terms.
Reflection across the x-axis
x, y and (x,-y) are reflections of each other across the x-axis.
Solve a system
To find all solutions of a system.
Standard form of a polynomial function
ƒ(x) = an x n + an-1x n-1 + Á + a1x + a0
Standard position (angle)
An angle positioned on a rectangular coordinate system with its vertex at the origin and its initial side on the positive x-axis
A number that is a sum of the arithmetic series 1 + 2 + 3 + ... + n for some natural number n.
A vector that specifies the motion of an object in terms of its speed and direction.