What is a unit rate?
Unit rate/slope/ rate of change

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.
2.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
The slope (m) of a line can be calculated using the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
3.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a line?
Back
A negative slope indicates that as the x-value increases, the y-value decreases, meaning the line is decreasing from left to right.
4.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant value (k) that relates two proportional quantities, often represented in the equation y = kx.
5.
FLASHCARD QUESTION
Front
How can you determine if a relationship is proportional from a table of values?
Back
A relationship is proportional if the ratio of y to x is constant for all pairs of values in the table.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating the rate of change?
Back
The rate of change can be calculated using the formula: Rate of Change = (Change in y) / (Change in x).
7.
FLASHCARD QUESTION
Front
If a job pays $14 per hour, how much will be earned for 10 hours of work?
Back
To find the total earnings, multiply the hourly rate by the number of hours: $14/hour * 10 hours = $140.
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