
Direct Variation Problems and Concepts

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the tutorial video?
Direct variation problems
Indirect variation problems
Graphing quadratic functions
Complex algebraic equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a direct variation problem, if y varies directly as x, what is the form of the equation?
y = k/x
y = x/k
y = kx
y = mx + b
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the constant of variation if y = 12 when x = 5?
5
1/5
12/5
5/12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the value of x when y = 30 in the equation y = 12/5x?
Multiply both sides by 5/12
Divide both sides by 12/5
Add 12 to both sides
Subtract 5 from both sides
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the butterfly method in solving direct variation problems?
To simplify complex equations
To find the y-intercept
To set up and solve proportions
To graph the equation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many points is each problem worth in the grading criteria?
10 points
15 points
20 points
25 points
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second problem, what is directly proportional to Heather's weekly pay?
The number of hours she works
The number of days she works
The number of weeks she works
The number of months she works
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