Prentice Hall Algebra 1

Table 2 Reading Math Symbols

Symbols Words
middle dot multiplicationsign . comma , times , open times close
= equals
modified equals with question mark above Are the statements equal?
almost equal to is approximately equal to
not equal to is not equal to
less than is less than
greater than is greater than
less than or equal to is less than or equal to
greater than or equal to is greater than or equal to
approximately equal to is congruent to
plus minus plus or minus
( ) parentheses for grouping
[ ] brackets for grouping
{ } set braces
% percent
absolute value of eh , absolute value of a
and so on
negative eh opposite of a
pi pi, an irrational number, approximately equal to 3.14
degrees degree(s)
eh to the n nth power of a
square root of x nonnegative square root of x
1 over eh , comma eh not equal to 0 reciprocal of a
eh super negative n end super fraction 1 , over eh to the n end fraction , comma eh not equal to 0
modified eh b with left right arrow above line through points A and B
eh b bar segment with endpoints A and B
AB length of eh b bar , semicolon  distance between points A and B
angle eh angle A
m angle eh measure of angle A
cap delta eh b c triangle ABC
(x, y) ordered pair
x sub 1 , comma , x sub 2 , comma dot dot dot specific values of the variable x
y sub 1 , comma , y sub 2 , comma dot dot dot specific values of the variable y
x bar mean of data values of x
sigma standard deviation
f(x) f of x; the function value at x
m slope of a line
b y-intercept of a line
a:b ratio of a to b
. matrix with 2 rows and 2 columns , row1 column 1 , 1 , column 2 3 , row2 column 1 , 2 , column 2 4 , end matrix matrix
sine eh sine of angle eh
cosine eh cosine of angle eh
tangent eh tangent of angle eh
n! n factorial
sub n , cap p sub r permutations of n objects arranged r at a time
sub n , cap c sub r combinations of n objects chosen r at a time
P(event) probability of an event
raised to a power (in a spreadsheet formula)
* multiply (in a spreadsheet formula)
/ divide (in a spreadsheet formula)

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Table of Contents

Prentice Hall Algebra 1 Chapter 1 Foundations for Algebra Chapter 2 Solving Equations Chapter 3 Solving Inequalities Chapter 4 An Introduction to Functions Chapter 5 Linear Functions Chapter 6 Systems of Equations and Inequalities Chapter 7 Exponents and Exponential Functions Chapter 8 Polynomials and Factoring Chapter 9 Quadratic Functions and Equations Chapter 10 Radical Expressions and Equations Chapter 11 Rational Expressions and Functions Chapter 12 Data Analysis and Probability Skills Handbook Reference Visual Glossary Selected Answers Index Acknowledgments