Direct and Inverse Proportion
Presentation
•
Mathematics
•
9th - 12th Grade
•
Medium
Junaid Haroon/TCHR/CNTB
Used 9+ times
FREE Resource
5 Slides • 6 Questions
1
Proportional Relationships
Understanding direct and inverse proportional relationships
2
Introduction to Proportional Relationships
Proportional relationships can be direct or inverse.
In direct relationships, as one variable increases, the other also increases.
In inverse relationships, as one variable increases, the other decreases.
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4
Multiple Choice
What are the two types of proportional relationships?
Direct and indirect
Direct and inverse
Positive and negative
Increasing and decreasing
5
Draw
Shaun eats six egg whites a day with a protein content of 21.6 grams. Calculate his protein intake,
if he consumes 9 egg whites a day.
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7
Multiple Choice
What equation represents direct proportion?
y = kx
y = k + x
y = k/x
y = k * x
8
Multiple Choice
if distance (d) is directly proportional to speed (s) which of the following equation is correct
d = ks
d = k + s
d = k/s
y = k * x
9
Direct & Inverse proportion in tables
10
Multiple Choice
What formula should be used to solve problems with inverse proportion?
𝑥 = 𝑘/𝑦
𝑥 = 𝑦/𝑘
𝑥 = 𝑘*y
𝑥 = 𝑦/k
11
Open Ended
How much confident you are now for solving problems related to direct and inverse proportion?
Proportional Relationships
Understanding direct and inverse proportional relationships
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