Evaluate Expressions
Combine Like Terms
Polynomials
Distributive Property
Vocabulary
100
a + b + 2


use 3 for a; use 4 for b

3 + 4 + 2 = 9
100
4b + 3b
7b
100
(2x + 2) + (3 + 4x)
6x + 5
100
2(2x + 2)
4x + 4
100
A letter represented by unknown value
Variable
200
10/x + 3


use 5 for x

10/5 + 3

2 + 3

= 5

200
9x + 2 + 3x
12x + 2
200
(4x + 7) - (5 + 3x)
x + 2
200
5(3b - 2)
15b - 10
200
The process of multiplying each term in a sum or a difference.
Distribute
300
4x + 2 - 4

use 4 for x

4(4) + 2 - 4

16 + 2 - 4

18 - 4

=14

300
13 + 4x + 2 - 2x
2x + 15
300

(4x2 + 4x + 4) + (4 - 2x)

4x2 + 2x +8

300
-2(4x - 8)
-8x + 16
300
Terms that have the same variables and exponents.
Like terms
400

4 + b2 

use 3 for b

4 + (32)

4 + 9 

= 13

400
10b - 3 + b -12
11b - 15
400

(4x2 + 5x - 2) + (-3x2 - 3x + 4)

x2 + 2x + 2

400
5(b - 4) + 3
5b - 20 + 3 = 

5b - 17

400
The sum or difference between two or more terms.
Polynomial
500
4(5 - c) + 5 x h


Use 2 for c and 3 for h

4(5 - 2) + 5 x 3


4(3) + 5 x 3

12 + 15

=27

500

4x + 2x2 + 3 - 2x - 2 

2x2 + 2x +1

500

(7x2 + 3x - 3) - (4x2 - 6x + 2)

3x2 + 9x - 5

500
9(2x + 4) - 12x
18x + 36 - 12x

= 6x + 36

500
A phrase that contains numbers, variables, and operations.
Expression
M
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