Unit rate/slope/ rate of change

Unit rate/slope/ rate of change

Assessment

Flashcard

Mathematics

8th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a unit rate?

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.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?