# MATH QUIZ IN VARIATION

## Quiz by Nerissa S. Lazarte

Mathematics

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5 questions
• Q1
An employee's salary $S$ varies directly as the number of days $d$ he has worked. What kind of variation is it?
Direct Variation

Combined Variation

Inverse Variation

Joint Variation

30s
M9AL-IIa-1
• Q2
z varies jointly as x and y, translate into variation statement.
z = $k$xy

y = $k$xz

z = $\frac\left\{kx\right\}\left\{y\right\}$

x = $k$yz

30s
M9AL-IIa-1
• Q3
P varies directly as the square of x and inversely as. What kind of variation is it?

Joint Variation

Direct Variation

Inverse Variation

Combined Variation
30s
M9AL-IIa-1
• Q4
What kind of variation occurs in a situation an increase in one variable causes a decrease in the other variable or vice versa.

Combined Variation

Direct Variation

Inverse Variation

Joint  Variation

30s
M9AL-IIa-1
• Q5
Grace is 10 meters away from the bus. If she will run, the time it takes her to reach the bus depends on her average speed. What kind of variation shows the situation?

Direct Variation

Inverse Variation

Combined Variation

Joint Variation

30s
M9AL-IIa-1

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