Evaluating Function Rules
Finding Slopes
Graphing
Story Problems
Miscellaneous
100
Evaluate f(x)=-3x if x=2
What is -6?
100
What is the slope a line that goes through the points (3,2) and (6,8)?
What is 2?
100
In the equation y=4x+1, if x is 0, what is y?
What is 1?
100
Let's go mini-golfing! It costs $ 12 (y) to play 3 mini golf rounds (x). Write an equation that represents this relationship. (hint: Find the unit rate/slope and then use the equation y=mx)
What is y=4x?
100
Is it a function? {(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
What is the slope a line that goes through the points (-2,4) and (4,7)?
What is 1/2?
200
In the equation y=-3x+2, what is the y-intercept?
What is 2?
200
A cell phone plan costs $10 per month plus $0.10 for each minute used. Last month, you spent $18.50 using this plan. This can be modeled by the equation below:
0.1m + 10 = 18.5. How many minutes did you use last month? (Solve for m)
What is 85 minutes?
200
What is the equation for a proportional relationship and the equation for a nonproportional relationship?
What are y=mx and y=mx + b?
300
Evaluate f(x)=-3 - x if x=6
What is -9?
300
If the rise is 6 and run is 2, what is the slope?
What is 3?
300
In the equation 2x + y=6, what is the y intercept?
What is 6?
300
A boa constrictor is 18 inches long at birth and grows 8 inches per year. Write an equation that represents the length y (in feet) of a boa constrictor that is x years old.
What is y=8x + 18?
300
The test to tell if a graph is a function
What is the Vertical Line Test?
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400
What is the slope of a line with a unit rate of 4?
What is 4?
400
What is the slope and y-intercept of this equation?
y = -x + 3
What are -1 and 3?
400
You organize a garage sale. You have $30 at the beginning of the sale. You earn an average of $20 per hour. Write an equation that represents the amount of money y you have after x hours.
What is y = 20x + 30?
400
Function or not?
What is FUNCTION. because it passes the Vertical Line Test?
500
Evaluate f(x)=-(4x+2) if x=7
What is -30?
500
What is the slope of this line: y=-2x?
What is -2?
500
Write an equation in point slope form for the line that passes through 0,3 and has a slope of -2
What is y = -2x + 3?
500
One of your friends gives you $10 for a charity walkathon. Another friend gives you an amount per mile. After 5 miles, you have raised $13.50 total. Write an equation that represents the amount y of money you have raised after x miles.
What is 5x + 10 = 13.50?
500
Function or Not?
What is NO because it does not pass the Vertical Line Test?