Parts of a Relation
Evaluate
Rules from tables
Write an Equation
Analyzing graphs
100
Label the numerical coefficient, constant term and variable:
4x - 7
4 = numerical coefficient
x = variable
7 = constant term
100
x/7 if x = 21
3
100
Determine the coefficient from table #1
4
100
Three times the number of kittens is 12. Let n represent the number of kittens.
variable = # of kittens 3n = 12
100
Write the linear expression that represent this problem.
2x +1 = y
200
Label the numerical coefficient, constant term and variable:
x/7 +2
7 = numerical coefficient
x = variable
2 = constant term
200
3n + 21 if n = 8
45
200
Determine the constant from table 2.
7
200
It costs $4 for bread and $2 for serving of sandwich meat (n). Write the linear equation to represent this problem.
variables:
n = how many servings of sandwich meat.
y = cost ($)
4 + 2n = y
200
Identify the constant.
5
300
Label the numerical coefficient, constant term and variable:
z + 7
numerical coefficient = NONE
variable = z
7 = constant term
300
n+31 if n = 8
What is 39
300
Identify the pattern rule (linear expression) from table 3.
3x + 2
300
It costs $11 for each ticket to the movie theatre (t), and $25 for snacks.
Write a linear equation that represents this problems.
variables:
t = number of tickets
y = cost ($)
11t + 25 = y
300
Identify the coefficient.
2
400
Label the numerical coefficient, constant term and variable:
3n
Numerical Coefficient = 3
Variable = n
Constant term = NONE
400
n/4 + 6 if n = 24
What is 12
400
Identify the pattern rule (linear expression) from table 4.
3x - 1
400
A boxing gym charges a monthly fee of $25 and $5 per boxing class (b). Create an equation to represent the total cost of boxing at this gym.
How much would it cost for 10 boxing classes?
variables:
b = number of boxing classes
y = cost
5b + 25 =y
It would cost $75 for 10 boxing classes.
400
Write the linear expression that represent this graph.
x + 2 = y
500
Label the numerical coefficient, constant term and variable:
4z - 3
Numerical Coefficient = 4
variable = z
constant term = 3
500
3x - 7 if x = 11
What is 26
500
Determine the linear expression that represents table 5.
3x
500
Rory pays a base fee of $20 to rent a scooter. He pays an additional $3 per hour (h) that he rents it. Write the linear equation that represents this problem.
How much would it cost him for 3 hours?
variable =
h is the number of hours he rents the scooter
y is the total cost ($)
3h + 20 = y
It would cost him $29.
500
Suggest a real-life scenario this graph could represent.
Ms. Ward will check if it works!