Writing Equations
Slope Intercept Form
Solve for x
Just for fun!
100
Marcus starts with 12 baseball cards in his collection. Each month, he buys 8 more cards to add to his collection. Which equation models the total number of cards C that Marcus will have after m months?
A. C = 12 + 8m B. C = 8 + 12m
A. C = 12 + 8m
100
What is the slope of the function?
y=2/3x+5
2/3
100
Solve for x.
3x+8=5
x=-1
100
What is the capital of Maryland?
Annapolis
200
A gym charges an enrollment fee plus an additional fee per month. The equation C = 50 +25m can be used to model the total cost C after m months.
What does 25 represent in the context of this problem?
25 is the amount per month
200
What is the slope of the function?
y=-1/2x - 4
-1/2
200
Solve for x.
-2x+7=x-2
x=3
200
What is the largest planet in our solar system?
Jupiter
300
A candle is 9 inches tall when lit. It burns at a rate of 0.5 inches per hour. Which equation describes the height H, in inches, of the candle after burning for t hours?
A. H = 9 + 0.5t B. H = 9 - 0.5t
B. H = 9 - 0.5t
300
What is the slope of the function?
3/4
300
Solve for x.
x/3=-2x+7
x=3
300
Which marine mammals hold hands when they sleep so they don't drift apart?
sea otters
400
Elena's cell phone plan costs $45 per month plus $0.10 for each text message sent. Write an equation that describes her total monthly bill B, in dollars, if she sends t text messages.
B=45+0.10t
400
What is the y-intercept of the function?
y=2
or
(0,2)
400
Solve for x.
(x-1)/3=x+7
x=-11
400
How many bones are in the human body?
206
500
A water tank initially contains 150 gallons of water. Water is being pumped out of the tank at a rate of 25 gallons per hour. Write an equation that describes the amount of water W, in gallons, remaining in the tank after h hours.
W =150-25h
500
Write an equation to model the function below.
y=2/3x-1
500
Solve for x.
(2x-4)/5=x+4
x=-8
500
How many albums does Taylor Swift have?
12 albums
(plus 4 re-recorded albums)