Assessment in Math 9, Q2

$y=\backslash frac\{2\}\{x\}$

$xy=2$

$x=\backslash frac\{1\}\{2y\}$

$y=2x$

$x=\backslash frac\{y\}\{4\}$

$y=\backslash frac\{4\}\{x\}$

$y=4x$

$x=-4y$

x varies inversely as y, where 4 is the constant of variation

y varies inversely as x, where 4 is the constant of variation

y varies directly as x, where 4 is the constant of variation

x varies directly as y, where 4 is the constant of variation

f varies directly as the square of g and p, where p =2

f varies directly as the square of g and inversely with p, where p = 2

f varies directly as the square of g and inversely with p, where p = 6

f varies directly as the square of g and p, where p = 6

G is jointly proportional to h and inversely proportional to the square of f, where G = 8

G is jointly proportional to h and to the square of f, where G = 2

G is jointly proportional to h and inversely proportional to the square of f, where G = 2

G is jointly proportional to h and to the square of f, where G = 8

$l=\backslash frac\{k\}\{w\}$

$l=kw$

$w=\backslash frac\{k\}\{l\}$

$w=kl$

$y=kwz^2$

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

$y=kwz$

$y=\backslash frac\{kw\}\{z^2\}$

𝑦 varies inversely as 𝑥, where 12 is the constant of variation

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

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

𝑦 varies directly as 𝑥, where 12 is the constant of variation

P 520

P 530

P 540

P 550

10 hours

18 hours

7 hours

9 hours

Php 350  

Php 250 

Php 200

Php 300

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

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

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

$\backslash left(x^6\backslash right)\backslash left(x^3\backslash right)=x^9$