
Direct Square Variation

Quiz
•
Mathematics
•
•
Medium
ANALYN VITUG
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of direct square variation?
Direct square variation is a relationship between two variables where one variable is inversely proportional to the square of the other variable.
Direct square variation is a relationship between two variables where one variable is directly proportional to the square of the other variable.
Direct square variation is a relationship between two variables where one variable is not related to the other variable.
Direct square variation is a relationship between two variables where one variable is directly proportional to the cube of the other variable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If y varies directly as the square of x, what is the equation that represents this variation?
y = kx^-2
y = kx^3
y = kx
y = kx^2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the direct square variation problem: If y = 25 when x = 5, find the value of y when x = 10.
75
100
50
30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If y varies directly as the square of x, and y = 16 when x = 4, find the value of x when y = 64.
16
12
32
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some real-life applications of direct square variation?
Temperature of a liquid
Some real-life applications of direct square variation include gravitational force between two objects, intensity of light or sound waves, and electrical force between two charged particles.
Speed of a moving object
Volume of a gas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If y varies directly as the square of x, and y = 9 when x = 3, find the value of x when y = 36.
x = 9
x = 6
x = 4
x = 12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the relationship between direct square variation and the area of a square.
The area of a square is unrelated to its side length
The area of a square is inversely proportional to the square of its side length
The area of a square is directly proportional to its side length
The area of a square is directly proportional to the square of its side length, which means that as the side length increases, the area also increases by the square of the side length.
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