# G-9 Quarter 2 Pre-Test

## Quizย by Ma. Aylene C. Fabillar

Mathematics

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40 questions
• Q1

Which is an example of direct variation?

๐ฆ = ย $\frac\left\{2\right\}\left\{x\right\}$

๐ฅ๐ฆ = 2

๐ฆ = 2๐ฅ

๐ฅ =$\frac\left\{1\right\}\left\{2y\right\}$

30s
M9AL-IIa-1
• Q2

Which is an example of inverse variation?

๐ฆ = 4๐ฅย

๐ฅ =$\frac\left\{y\right\}\left\{4\right\}$

๐ฆ =$\frac\left\{4\right\}\left\{x\right\}$

๐ฅ = โ4๐ฆ

30s
M9AL-IIa-1
• Q3

The length ๐ of a rectangular field varies inversely as its width ๐ค is written as ____.

๐ค =$\frac\left\{k\right\}\left\{l\right\}$

๐ =$\frac\left\{k\right\}\left\{w\right\}$

๐ค = ๐๐ย  ย ย

๐ = ๐๐ค

30s
M9AL-IIa-1
• Q4

What mathematical equation describes the graph below?

๐ฆ varies directly as ๐ฅ, where 12 is the constant of variation

๐ฆ varies inversely as ๐ฅ, where 2 is the constant of variation

๐ฆ varies directly as ๐ฅ, where 2 is the constant of variation

๐ฆ varies inversely as ๐ฅ, where 12 is the constant of variation

30s
M9AL-IIa-b-1
• Q5

If ๐ฆ varies inversely as ๐ฅ and ๐ฆ = 12 when ๐ฅ = 4, find ๐ฆ when ๐ฅ = 3.

16ย

15

18

17

30s
M9AL-IIa-1
• Q6

Which equation represents โy varies directly as x andzโ?

๐ฆ = ๐๐ฅ๐ง

๐ฆ = ๐ฅ๐ง

y=$\frac\left\{kz\right\}\left\{x\right\}$

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

30s
M9AL-IIa-1
• Q7
30s
M9AL-IIa-1
• Q8

It is defined as the variation where a quantity depends on two or moreother quantities, whereas one quantity varies directly while the other quantityvaries inversely.

Inverse

Direct

Joint

Combined

30s
M9AL-IIa-1
• Q9

โThe Interest earned by a savings account of Mr. Virayis jointly proportional to the Time and its Principal amount. After one quarter(3 months), the interest for a principal amount of Php 6,000 is Php 120.โ Howmuch interest is earned within 5 months if the principal amount is Php 7,500?

Php 300

Php 350

Php 250

Php 200

30s
M9AL-IIb-c-1
• Q10

In the expression 3๐ฅยฒ, 2 is called _____.

Constant Term

Literal Coefficient

Exponent

Numerical Coefficient

30s
M9AL-IIe-1
• Q11

Which of the following is TRUE?

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

๐0๐2 = ๐๐0

(๐โ5)0 = ๐โ5

๐ฅ6 โ ๐ฅ3 = ๐ฅ9ย ย

30s
M9AL-IIa-b-1
• Q12
30s
M9AL-IId-1
• Q13
30s
M9AL-IId-1
• Q14
30s
M9AL-IIe-1
• Q15
30s
M9AL-IIf-1

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