9-4 Direct Variation
Presentation
•
Mathematics
•
7th - 8th Grade
•
Medium
Catelyn Cujas
Used 1+ times
FREE Resource
2 Slides • 4 Questions
1
9-4 Direct Variation
Chapter 9 Lesson 4
2
What is direct variation?
When the ratio of two variable quantities is constant, their relationship is a direct variation.
A direct variation is considered a PROPORTIONAL RELATIONSHIP!
The equation is y = mx, where "m" is the constant of variation!
3
Multiple Choice
Given the graph, determine if the relationship between the cost and the weight of the trail mix is a direct variation. If it is, find the equation of the line.
4
Open Ended
5
Multiple Choice
The time it takes to burn amounts of information on a CD varies directly with the amount of information. Write and solve an equatin to find how long it will take to fill a 700-megabyte CD.
6
Open Ended
The equation y = 1.5x represents the relationship between the number of heartbeats y and time in seconds x for a dog. The graph shows the heartbeats for a cat. Which animal has a faster heart rate? How do you know?
9-4 Direct Variation
Chapter 9 Lesson 4
Show answer
Auto Play
Slide 1 / 6
SLIDE
