1. ALGEBRA VOCABULARY

2. VARIABLE
A LETTER OR SYMBOL USED TO REPRESENT AN UNKNOWN QUANTITY
Example: x + 2
variable

3. SUM
AN ADDITION PROBLEM
Examples:
13 + 3 or
y + 45

4. DIFFERENCE
A SUBTRACTION PROBLEM
Examples:
25 – 9 or
75 – m

5. PRODUCT
A MULTIPLICATION PROBLEM
Examples:
6(21) or 4x

6. FACTORS
QUANTITIES BEING MULTIPLIED
Examples:

7. QUOTIENT
A DIVISION PROBLEM
Examples: Or

8. POWER
THIS POWER IS READ:
“X TO THE FOURTH POWER”
EXPONENT
BASE

9. EVALUATE
To evaluate
an expression
means to find
its VALUE

10. A MATHEMATICAL SENTENCE THAT HAS
EQUATION
A MATHEMATICAL SENTENCE THAT HAS
AN EQUAL SIGN.
Example: x + 4 = 10

11. INEQUALITY AN OPEN SENTENCE THAT HAS ONE OR
MORE OF THE FOLLOWING SYMBOLS:
> Greater than
< Less than
≥ Greater than or equal to
≤ Less than or equal to
Example: 6 – x > 2

12. TERM A NUMBER, A VARIABLE, OR A PRODUCT OR QUOTIENT OF NUMBERS AND
VARIABLES
(terms are usually
separated by addition
and subtraction)
Examples: n, 5xy, 20,
ab2,
How many terms are in
this expression?
3x + 5y – 6

13. LIKE TERMS Terms that contain the same variables,
with corresponding variables having the
same power.
Examples:
Unlike Terms
Unlike Terms
Like Terms

14. COEFFICIENT The numerical factor of a term. Example:
(The number in front
of the variable)
Example:
Coefficients

15. Expression Any combination of numbers and variables NO EQUAL SIGN!
An expression cannot be solved!

16. Writing Expressions
Write an algebraic expression for each verbal expression:
The sum of 36 and x
The product of 17 and t
One half the square of x
36 + x
17t
½x²

17. Writing Expressions 4) The difference between 7 and t
The sum of x and 7, squared
The square root of m
The quotient of x and y
7 - t
(x + 7)²
x ÷ y

18. Writing Expressions 6 more than x is no less than 25.
A number decreased by 8 is no more than 17
The sum of a number squared and 9 is less than 17
x + 6 ≥ 25
n - 8 ≤ 17
x² + 9 < 17