# Second Quarter Assessment in Mathematics 9

## Quiz by Joel Rioflorido

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- Q1
The cost c varies directly as the number of liters of gasoline L is written as ____.

$L=\backslash frac\{k\}\{c\}$

$L\backslash \; =\backslash \; kc$

$c=kL$

$c=\backslash frac\{k\}\{L\}$

300sM9AL-IIa-1 - Q2300sM9AL-IIa-1
- Q3
Which of the following describes a direct variation?

300sM9AL-IIa-b-1 - Q4
What mathematical equation describes the graph below?

y varies directly as x, where $\backslash frac\{1\}\{2\}$ is the constant of variation

y varies directly as x, where 2 is the constant of variation

y varies inversely as x, where $\backslash frac\{1\}\{2\}$ is the constant of variation

y varies inversely as x, where 2 is the constant of variation

300sM9AL-IIa-b-1 - Q5
Jason can make 20 pieces of cupcakes from a 4 kg flour, how many kgs of flour will he use to make 50 pieces of cupcakes?

8 kg

5 kg

12 kg

10 kg

300sM9AL-IIb-c-1 - Q6300sM9AL-IId-1
- Q7
Which of the following is TRUE?

$\backslash left(b^\{-5\}\backslash right)^0=b^\{-5\}$

$\backslash frac\{x^\{-2\}\}\{x^5\}=x^3$

$a^0b^2=ab^0$

$x^6\backslash cdot\; x^3=x^9$

300sM9AL-IId-1 - Q8300sM9AL-IIe-1
- Q9300sM9AL-IIe-1
- Q10300sM9AL-IIf-1
- Q11300sM9AL-IIf-1
- Q12300sM9AL-IIf-2
- Q13300sM9AL-IIf-2
- Q14300sM9AL-IIg-1
- Q15300sM9AL-IIg-1