Vocabulary
The parts of an algebraic expression that are added or subtracted are called _______________.
Terms
How many terms are in the expression:
4x + 7
2
4x+2x
6x
Solve for x:
x + 78 = -93
-171
A term that has no variables is called a _________________ term.
How many terms are in the expression:
5x2 -3x+2
3
Combine Like Terms:
5z - 2 + 8z +10
13z +8
The perimeter of a rectangle is 178 in. The length of the rectangle is 42 in. Find the width of the rectangle.
47 inches
Solve for x:
12x=3
(write your answer as a reduced fraction)
1/4
A term that contains variables is called a _________________ term.
variable
How many variable terms are in the following expression:
3x2 +5x - 7
2
Combine Like Terms:
8x2 + 3x - 2 + 7 +2x2 - 9x
10x2 - 6x + 5
Find the average of 23, 45, 34, 56, 22
36
In a variable term, the number that is being multiplied by the variable factor is called the ___________________.
coefficient
What is the coefficient of the 2nd term of the following expression:
7x2 - 8x +5
-8
-x2 + 4x - 9x - 6x2 + 5x
-7x2
Solve for x:
x + (-23) = 56
79
Terms with the same variable factors are called _____________ terms.
like
In the following expression, the constant terms are:
7x2 + 6 + 9x - 7 + 15x
6 and -7
Combine like terms:
n + 4 − 9 − 5n
-4n -5
Solve for x:
3x + 2 = 26
8