Vocab
Identify the variables in the following algebraic expression:
7x + 2y - 2.3 + 9a
x, y, a
Add the expressions ...
(5x + 4) + (9x + 5)
14x + 9
Combine like terms:
6 + 3 - 5m + 9m
4m + 9
Evaluate: 3x
x=2
6
Distribute 3(2x + 2)
6x + 6
Identify the coefficients in the following algebraic expression:
9p + 2 + q - 1
9 and 1
Subtract the expressions ...
(9x + 9) - (2x + 1)
7x + 8
Combine like terms:
8a - 3a + 15b + 9b
5a + 24b
Evaluate: 3x - 3
x=5
12
Factor out the GCF: 14y - 21x
7(2y - 3x)
How many terms are in the following algebraic expression:
9j + 4k - 7 + 2p - 7x
5 terms
Add the expressions ...
(4x + 3) + (-2x + 7)
2x + 10
Combine like terms:
4x - 3x + 12 + 19
x + 31
Evaluate: -5x
x=4
-20
Distribute
–4(–5x + 2)
20x - 8
The keyword DIFFERENCE means what operation?
Subtraction
Subtract the expressions ...
(3x + 8) - (2x + 5)
x + 3
Combine like terms:
2c - 3d + 5c + 4d
7c + d
Evaluate: 3c - 40
c=10
-10
Factor out the GCF: 12y - 36x
12(y - 3x)
After the following algebraic expression is simplified, how many terms will it have:
9b + 7b + 4 - 2b - d + 4c - 12 + c
4 terms
Subtract the expressions ...
(8x + 8) - (-3x + 4)
11x + 4
Combine like terms:
12m - 19x - 3m + 19x
9m
Evaluate: 4r + 4
r=-4
-12
Factor
–12b + 6c + 18
using the GCF.
6(–2b + c + 3)