# MATH QUIZ IN VARIATION

## Quiz by Nerissa S. Lazarte

Grade 9

Mathematics

Philippines Curriculum: Grades 1-10

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5 questions

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- Q1An 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

30sM9AL-IIa-1 - Q2z varies jointly as x and y, translate into variation statement.z = $k$xy
y = $k$xz

z = $\backslash frac\{kx\}\{y\}$

x = $k$yz

30sM9AL-IIa-1 - Q3P varies directly as the square of x and inversely as. What kind of variation is it?
Joint Variation

Direct Variation

Inverse Variation

Combined Variation30sM9AL-IIa-1 - Q4What 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 VariationJoint Variation

30sM9AL-IIa-1 - Q5Grace 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 VariationCombined Variation

Joint Variation

30sM9AL-IIa-1