Vocabulary
Variable
a symbol that represents one or more numbers
what is d x d x d x d
d4
Decrease, deduct, left over, less than
Are phrases for what operation?
Subtraction
36r is what property?
Solve.
2 (x + 12)
2x + 24
Terms
parts of an algebraic expression
what is x / 5 when x= 20
4
Write the expression for:
11 fewer than a number b
b - 11
10 + (2+y)
12 + y
Solve.
8 ( s - 1 )
8s - 8
Coefficient
the numerical factor of a term that's contains a variable
what is y + x when
x = 20
y = 4
24
the product of a number d and 32
32d
3 (7x)
21x
Factor the expression using GCF:
15 + 35
5 ( 3 + 7 )
a term without a variable
what is 8y - x when
x = 0
y = 4
12
a number t decreased by 17
t - 17
5.3 + (w + 1.2)
6.5 + w
Solve.
25 ( z - 4 )
35w - 70
Algebraic Expression
an expression that may contain numbers, operations, and one or more symbols
In a video game, you score p game points and b triple bonus points. An expression for your score is p + 3b. What is the score when you earn 245 game points and 20 triple bonus points?
305
Your basketball team scored 4 fewer than twice as many points as the other team.
Write an expression for the number of points your team scored.
2p - 4
Simplify the expression:
7 + 3x + 4
3x + 11
16x + 56y
8 (2x + 7y)