Vocabulary
What term means addition, subtraction, multiplication, or division?
a. term b. coefficient c. operation d. variable
operation
5x + 2x + 6 - 3
7x + 3
Evaluate: x + 9 when x = 13
22
Expand using the distributive property:
5 ( 2m + 3)
10m + 15
Expand and simplify:
2 (4a + 8) - 6
8a + 10
What term means "an unkown value represented by a letter?"
a. coefficient b. variable c. algebraic expression
variable
3/5x + 2/7 + 4/7 - 1/5x
2/5x + 6/7
Evaluate: 4y - 8 when y = 5
12
Expand using the distributive property:
1.2 (4p - 9q)
4.8p - 10.8
1/2 (16h - 8j) + 3j
8h - j
What term means "a number multiplied by a variable?"
a. term b. coefficient c. constant d. variable
coefficient
2.1 - 1.6 + 3.9m - 2.9m
0.5 + m
Evaluate 3x + 6y - 11 when x=5 and y=9
58
Expand using the distributive property:
1/3 (18w + 51)
6w + 17
-3 (11v + 5u) + 33v - 9u
-24u
Which term means "a number that stands alone."
a. term b. coefficient c. constant d. variable
constant
4/7w + 1/3w + 41.4 - 38.6
19/28w + 2.8
Evaluate (p + 8q) - 3p + 2q when p=11 and q=7
48
-1/7 (49b - 70)
-7b + 10
-1.6 (4w + 9) + 9 - 2.1w
-8.5w - 16.5
Which term means "the parts of an algebraic expression that are separated by an operation?"
a. term b. coefficient c. constant d. variable
5/9q + 1/3q + 4/5p - 3/10p
8/9q + 1/5p
Evaluate: 1/2 (m + n) + 2m when m= 12 and n= 14
37
-1.5 (1.2 + 2.4a)
-1.8 + (-3.6a) or -1.8 - 3.6a
Expand and evaluate:
-1/4 ( 44a - 28b) + 11a - 3a + 13b
-3a + 20b