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Direct Variation and Proportionality Concepts
Interactive Video
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main topic discussed in the video?
Direct variation
Linear equations
Indirect variation
Inverse proportion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'varies directly' imply in a mathematical problem?
A decreasing rate
An increasing rate
A constant rate
A variable rate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key term used to describe the relationship in the problem?
Linear relationship
Indirect variation
Inverse proportion
Direct variation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula represents direct variation?
y = x/k
y = mx + b
y = x + k
y = kx
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between x and y in direct variation?
x is directly proportional to y
x is inversely proportional to y
x is unrelated to y
x is equal to y
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to y if x is doubled in a direct variation?
y is halved
y remains the same
y is doubled
y is tripled
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula y = kx, what does 'x' represent?
Independent variable
Dependent variable
Constant of proportionality
Rate of change
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