What word means the answer to an addition problem?
Sum
In the expression x + 7, what is 7 called?
Constant
Write an algebraic expression for:βA number plus 6.β
x + 6
In 7x + 2, what is the coefficient?
7
Evaluate x + 5 when x = 3.
8
What word means the answer to a subtraction problem?
Difference
In 5x, what is 5 called?
Coefficient
Write an expression for:
βA number minus 9.β
Answer: x - 9
In 7x + 2, what is the constant?
2
Evaluate x - 4 when x = 10.
6
What word means the answer to a multiplication problem?
Product
In 3x + 8, what is x?
Variable
Write an expression for:
β5 times a number.β
5x
In 7x + 2, what is the variable?
x
Evaluate 3x when x = 4.
12
What word means the answer to a division problem?
Quotient
In 4x + 9, how many terms are there?
2
Write an expression for:
βA number divided by 4.β
x Γ· 4 or x/4
How many terms are in 4x + 3 + 2y?
3
Evaluate 2x + 5 when x = 6.
17
What word describes a letter or symbol that represents an unknown number?
Variable
What do we call numbers, variables, or products being added or subtracted in an expression?
Terms
Write an expression for:
βThree times a number plus 8.β
3x + 8
Identify the coefficient, variable, and constant in:
9x + 12
Coefficient = 9
Variable = x
Constant = 12
Evaluate 4x - 7 when x = 8.
25