Evaluate the Expression
Evaluate when x = 5
7x
35
6 times a number x
6x
3x + 4x
7x
A letter that represents a number is called a .....
variable
What is the capital of Florida?
Tallahassee
Evaluate when x = 4
5 - x
1
nine more than a number
x + 9 or 9 + x
7x - 5x
2x
A mathematical phrase with at least one variable in it is an ............ expression.
algebraic
Which big cat is the largest?
Tiger
Evaluate when x = 7
8x - 6
50
the quotient of 4 and a number
4/x
8x + 5 + 2
8x + 7
Terms that have the same variable are called .........
like terms
What is the name of Harry Potter's pet owl?
Hedwig
Evaluate when x = 4
-6.1x
-24.4
five less than a number
x - 5
10x - 4 + 12 - 8x
2x + 8
A number placed before a variable is called a ......
coefficient
How many colors are there in a rainbow?
7
Evaluate when x = 6
x/2 + 20
23
seven less than a number times 3
(use parentheses)
3(x - 7)
13x + y - 3 + 7 - x
12x + y + 4
The mathematical property that tells you the order of the addends or factors does not make a difference with the sum or product.
Commutative Property
How much is the diameter of a basketball hoop?
18 inches