Vocabulary
What is the definition of a constant?
A number by itself that doesn't have a variable.
What is the coefficient?
8c2
8
Simplify by combining like terms.
5a + 4b + a + 2 + 1
6a + 4b + 3
What operation do you use when distributing?
Multiplication
5x + 4x + 6 - 2
9x + 4
A letter that is used to represent an unknown number is a _________________.
Variable
List all the constants.
77x + 3y - 5 + x +12
-5 and 12
Combine like terms.
3x + 3x + 7 + 8
6x + 15
12b + 17b + 4 + 24
29b + 28
Simplify the expression:
15x + 15x + 4 + 4
30x + 8
What is an expression?
A group of terms that includes constants, variables, and operators.
Identify all the variables in the Expression
7ab + 3 - 16f + 23
ab and f
Simplify by combining Like Terms:
3x + 8x + 6 + 7
11x + 13
Simplify this Expression:
2x + 4x + 4 + 8
6x+12
Simplify the Expression:
20j + 7j + 15 - 6
27j + 9
The terms that contain the same variable which is raised to the same power are known as ___________.
Like Terms
Which terms in the expression below are like terms?
3x + 9y + 5x + 12y
3x + 5x
9y + 12y
What is the simplified form of the expression.
3x - 2x + 6 - 2
x + 4
Simplify:
5b + 9b + 6 + 9
14b + 15
Simplify the expression:
8x + 10x + 9 - 4
18x + 5
What is a coefficient?
A number multiplied by a variable.
Are 18x and 8 like terms? Explain why or why not?
No, one is a constant and one is a coefficient with a variable
Find the Simplified Expression by combining like terms.
5x + 7x + 2 + 1 + 1
12x + 4
Simplify:
3x - 2x + 3 + 5
x + 8
Combing like expressions:
200t + 450t + 5 + 8
650t + 13