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by BlastRoom
Read the slope as a rate of change and the y-intercept as a starting amount in everyday situations.
#us_grade_8_math
40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A repair service bills C = 55h + 90 dollars for h hours of work. What does the 55 mean in this situation?
A taxi fare is F = 2.5d + 4 dollars for a ride of d kilometers. What does the 2.5 tell you about the fare?
A phone plan costs P = 0.08t + 12 dollars in a month when t text messages are sent. What does the 0.08 represent?
A tank being filled holds V = 6m + 20 liters after m minutes. What does the 6 mean here?
A burning candle has height H = 24 - 1.5t centimeters after t hours. Which statement describes what the 1.5 means?
A savings account holds S = 35w + 150 dollars after w weeks of saving. What does the 35 stand for?
A hiker's elevation is E = 320 - 15t meters after t minutes of walking downhill. What does the 15 tell you about the hike?
A print shop charges C = 0.25p + 15 dollars for an order of p pages. In this situation, what does the 0.25 describe?
The line for a calling plan's monthly bill has slope 0.05 dollars per minute of calls. What does that slope tell a customer?
A worker's pay for a shift is P = 22h + 50 dollars when the shift lasts h hours. How much more does a 7-hour shift pay than a 5-hour shift?
A streaming service costs C = 14m + 20 dollars for m months of viewing. Which statement describes the 14?
A truck's fuel is F = 60 - 0.12k liters after driving k kilometers. What does the 0.12 mean in this situation?
A moving company bills C = 60h + 120 dollars for h hours of work. What does the 120 mean here?
A pool holds W = 3000 - 250t liters after t hours of draining. What does the 3000 represent?
A rideshare fare is F = 1.8k + 3 dollars for a ride of k kilometers. What does the 3 mean?
A book club has N = 12m + 45 members after m months. What does the 45 tell you about the club?
A phone's used storage is G = 0.5d + 8 gigabytes after d days of use. What does the 8 mean in this situation?
A bathtub holds L = 9m + 30 liters after m minutes of filling. Which statement describes the 30?
A drone's altitude is h = 15s + 60 meters after s seconds of climbing. What does the 60 stand for?
The temperature is T = 21 - 3h degrees Celsius h hours after sunset. What does the 21 mean here?
A banner order costs C = 4b + 55 dollars for b banners. What does the 55 describe?
A student's reading log shows Q = 18d + 96 pages read after d days. What does the 96 represent?
A pool holds 900 liters 2 hours after draining begins and 500 liters 10 hours after it begins. What is the rate of change of the volume?
A seedling is 12 cm tall at 3 weeks and 27 cm tall at 8 weeks. What is its rate of change in height?
A phone battery is at 84 percent after 1 hour of use and at 24 percent after 6 hours. What is the rate of change of the charge?
A hiker is 6 km from camp after 1 hour of walking and 21 km from camp after 4 hours. What is the rate of change of the distance?
Snow is 34 cm deep 2 hours into a storm and 58 cm deep 8 hours into the same storm. What is the rate of change of the snow depth?
A savings account holds 220 dollars at week 4 and 460 dollars at week 12. What is the rate of change of the balance?
A cooling oven measures 30 degrees Celsius 3 hours after being switched off and 12 degrees Celsius 9 hours after. What is the rate of change of the temperature?
A printer has produced 120 pages 5 minutes into a job and 156 pages 9 minutes into the job. What is the rate of change of the page count?
A balloon is 250 meters above the ground 1 minute after launch and 850 meters above it 5 minutes after launch. What is the rate of change of its altitude?
A store has 96 copies of a game on day 2 of a sale and 48 copies on day 8. What is the rate of change of the number of copies?
A candle is 25 cm tall when lit and burns down 2 cm every hour. Which pair names its rate of change and its initial value?
A rainwater tank holds 400 liters at dawn and loses 15 liters every hour. Name the rate of change and the initial value for the water in the tank.
A phone plan charges a 45 dollar activation fee and then 18 dollars every month. Which pair names the rate of change and the initial value of the total cost?
A library owns 250 books and buys 40 more each month. Name the rate of change and the initial value for the number of books.
A diver enters the water at the surface and goes down 9 meters every minute. Which pair names the rate of change and the initial value of the diver's depth below the surface?
A snow bank is 60 cm deep on Monday morning and melts 4 cm each day. Name the rate of change and the initial value for its depth.
A van rental costs 35 dollars plus 0.20 dollars for every kilometer driven. Which pair names the rate of change and the initial value of the total cost?
A student owes 180 dollars and pays back 25 dollars every week. Name the rate of change and the initial value for the amount still owed.
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
x- and y-Intercepts
40 questions
