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8.5A

Quiz by Carrie Gentry

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Q 1/7
Score 0
If a car travels 150 miles in 3 hours, what is the rate of change of distance with respect to time?
29
$50$ miles per hour
$45$ miles per hour
$55$ miles per hour
$60$ miles per hour

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7 questions

Show answers

Q1
If a car travels 150 miles in 3 hours, what is the rate of change of distance with respect to time?
$50$ miles per hour
$45$ miles per hour
$55$ miles per hour
$60$ miles per hour
30s
Q2
A hiker climbs from an elevation of 200 meters to 800 meters over a span of 4 hours. What is the rate of change of elevation per hour?
$100$ meters per hour
$150$ meters per hour
$200$ meters per hour
$250$ meters per hour
30s
Q3
Given the table below, what is the unit rate of distance per hour? |Hours|Distance (miles)| |-----|---------------| | 1 | 5 | | 2 | 10 | | 3 | 15 | | 4 | 20 |
$5$ miles per hour
$10$ miles per hour
$4$ miles per hour
$6$ miles per hour
30s
Q4
Below is a table showing the relationship between the number of books and the total cost. What is the unit rate in dollars per book? |Books| Cost (dollars)| |-----|---------------| | 1 | 4 | | 2 | 8 | | 3 | 12 | | 4 | 16 |
$6$ dollars per book
$3$ dollars per book
$5$ dollars per book
$4$ dollars per book
30s
Q5
If y varies directly with x and y = 10 when x = 2, what is the constant of variation?
12
8
5
2
30s
Q6
Which of the following relationships shows a direct variation?
y = -4x
y = -4x + 1
y = x^2 - 4
xy = 4
30s
Q7
Which equation represents a direct variation between variables x and y?
y = 3x
y = x^2
x = 3y
y = 3x + 2
30s

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