Algebra 1 Common Core Student Edition, Grade 8-9

Table 2 Read i n g M at h Sy m b o l s

Symbols Words

• multiplication sign, times (X )
  = equals
  ? Are the statements equal?
  is approximately equal to
  is not equal to
  < is less than

  
  

  is greater than
  < is less than or equal to
  is greater than or equal to
  S is congruent to
  ± plus or minus
  ( ) parentheses for grouping
  [ ] brackets for grouping
  {} set braces
  % percent
  M absolute value of a
  and so on
  -a opposite of a
  7T pi, an irrational number,
  approximately equal to 3.14
  o degree(s)
  an nth power of a
  Vx nonnegative square
  root of x
  reciprocal of a
  a~n a # 0
  AS line through points A and B
  AB segment w ith endpoints
  A and B
  AB length of AB\ distance between
  points A and B

  
  

  
  

Symbols Words

LA angle A

mLA measure o f angle A

AABC triangle ABC

(x,y) ordered pair

xh x2... specific values of the

variable x

yi.y*-- specific values of the

variable/

X mean of data values of x

CT standard deviation

fix) f of x; the function

value at x

m slope of a line

b y-intercept of a line

3\b ratio of a to b

"1 3~

-2 4_

matrix

sin A sine of LA

cos A cosine of LA

tan A tangent of LA

n! n factorial

A permutations of n objects

arranged c a t a time

rfc-r combinations of n objects

chosen r at a time

P(event) probability of an event

A raised to a power (in a

spreadsheet formula)

multiply (in a spreadsheet

formula)

/ divide (in a spreadsheet

formula)

o

ft

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