01 Finding Rates of Change
Flashcard
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Quizizz Content
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Mathematics
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8th Grade
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Hard
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15 questions
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1.
FLASHCARD
Front
What is the formula to calculate hourly rate of pay?
Back
Hourly Rate = Total Earnings / Total Hours Worked
2.
FLASHCARD
Front
If a runner covers 15 miles in 3 hours, what is her speed?
Back
Speed = Distance / Time = 15 miles / 3 hours = 5 mph
3.
FLASHCARD
Front
How do you calculate the average rate of change?
Back
Average Rate of Change = (Final Value - Initial Value) / (Final Time - Initial Time)
4.
FLASHCARD
Front
What is a rate in mathematical terms?
Back
A rate is a fraction of two different quantities, often expressed as a quantity per unit of another quantity.
5.
FLASHCARD
Front
If a plane travels 1500 miles in 5 hours, what is its average speed?
Back
Average Speed = Total Distance / Total Time = 1500 miles / 5 hours = 300 mph
6.
FLASHCARD
Front
What is the total time worked if someone works from 8:00 AM to 5:00 PM?
Back
Total Time = 9 hours (from 8 AM to 5 PM)
7.
FLASHCARD
Front
If a climber ascends from 400 feet to 700 feet in 4 hours, what is his average rate of change?
Back
Average Rate of Change = (700 ft - 400 ft) / (6 hr - 2 hr) = 75 ft/hr
8.
FLASHCARD
Front
What is the significance of units in rates?
Back
Units provide context to the numbers in rates, indicating what is being measured (e.g., miles per hour, feet per hour).
9.
FLASHCARD
Front
How do you find the total earnings if you know the hourly rate and hours worked?
Back
Total Earnings = Hourly Rate x Total Hours Worked
10.
FLASHCARD
Front
What is the average speed of a vehicle that travels 300 miles in 3 hours?
Back
Average Speed = 300 miles / 3 hours = 100 mph
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