Vocab
Numerical Expression involves what two things?
Involves numbers and mathematical operations
4 x n and 4n are all ways to write the same expression
True
What is the variable in 4n?
N
Addition
Variable
A letter or symbol that represents an unknown quantity
z is the coefficient 7z
False
4-n is what kind of expression?
An algebraic expression
"Decreased"
Subtraction
Algebraic Expression
A math expression that has at least one variable and at least one operation
y-5 is an algebraic expression
True
What is the difference between an algebraic and numerical expression?
Algebraic expressions have a variable
"Shared equally"
Division
Term
Each part of an expression that is separated by a plus or minus sign
In the expression 2(3+4), 3+4 is the sum of two terms
True
How many terms does the following expression have:
w/4+ 12.5- 7z
3
"Of"
Multiplication
Coefficient
The number that is multiplied by the variable
j + 4 - 10x + 3 has 3 terms
False
What term is a constant numerical value in the following expression:
w/4+ 12.5- 7z
12.5
What 2 operations are represented in the following expression:
4 times the quantity x plus 8
Addition and multiplication