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Variation

Quiz by Angkol

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Q 1/10
Score 0
If y varies directly as x, illustrated by y = kx, what is this type of variation?
29
Joint
Direct
Inverse
Combined

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10 questions

Show answers

Q1
If y varies directly as x, illustrated by y = kx, what is this type of variation?
Joint
Direct
Inverse
Combined
30s
Q2
The length (L) of the pendulum is directly proportional to the square of the time (t) it takes to swing from one side to the other. Which mathematical equation can be applied to this situation?
$L=k\sqrt{x}$
$P=kt^2$
$L=\frac{k}{t^2}$
$L=\frac{k}{\surd t}$
30s
Q3
If a varies directly as b, and a = 12 when b = 3, what is the equation of variation?
$a=3b$
$a=4b$
$a=2b$
$a=5b$
30s
Q4
What mathematical symbol best describes the relationship of the values of x and y in the table?
$y=\frac{-24}{x}$
$y=\frac{24}{x}$
$y=-24x$
$y=24x$
30s
Q5
A mailman can sort out 738letters in 6 hours. If the number of letters varies directly as the number ofworking hours, how many letters can be sorted on 9 hours?
6642
123
738
1107
30s
Q6
The number of days needed in repairing a house varies inversely as the number of men working. It takes 15days for 2 men to repair the house. How many men are needed to complete the job in 6 days?
4
5
7
6
30s
Q7
30s
Q8
30s
Q9
Which of the following equations will illustrate the given graph?
$y=3x$
$y=5x$
$y=2x$
$y=4x$
30s
Q10
30s

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