Constant
What is a constant in an algebraic expression?
A constant is a fixed value that does not change.
What is a variable in an algebraic expression?
A variable is a symbol that represents an unknown value.
What is a numerical coefficient in an algebraic expression?
A numerical coefficient is a number that multiplies a variable.
Give an example of a constant in the expression 3x + 5.
The number 5 is a constant.
In the expression 2x + 3, what is the variable?
The variable is x.
Identify the numerical coefficient in the expression (5x + 3).
The numerical coefficient is 5.
True or False: The number zero is considered a constant.
True.
Give an example of a real-life situation where a variable might be used.
A variable could represent the number of hours worked in a week.
In the expression -2y + 4, what is the numerical coefficient?
The numerical coefficient is -2.
In the expression 7y+4, what is the constant?
The constant is 4
How many variables are in the expression a + 2b - c + 7
There are three variables: a, b, and c.
True or False: The numerical coefficient can be negative or positive.
True.
How does a constant differ from a variable in an expression?
What is the difference between a constant and a variable?
A constant has a fixed value, while a variable can change and represents an unknown value.
How would you tell someone what the numerical coefficient of the term 3x-6 means?
The numerical coefficient is 3. It means that the variable is tripled each time.