2nd Quarter : PreTest in Mathematics 10

Quizย by Ma. Carmela D. Laudit

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- Q1
Which is an example of direct variation?

๐ฅ =ย $\backslash frac\{1\}\{2y\}$

๐ฆ = 2๐ฅ

๐ฅ๐ฆ = 2

๐ฆ = ย $\backslash frac\{2\}\{x\}$

20s - Q2
Which is an example of inverse variation?

๐ฆ =ย $\backslash frac\{4\}\{x\}$

๐ฅ = โ4๐ฆ

๐ฆ = 4๐ฅ

๐ฅ =ย $\backslash frac\{y\}\{4\}$

20s - Q3
The length ๐ of a rectangular field varies inversely as its width ๐ค is written as ____.

๐ =ย $\backslash frac\{k\}\{w\}$

๐ = ๐๐ค

๐ค = ๐๐

๐ค =ย $\backslash frac\{k\}\{l\}$

20s - Q4
If ๐ฆ varies inversely as ๐ฅ and ๐ฆ = 12 when ๐ฅ = 4, find ๐ฆ when ๐ฅ = 3.

17

18

16

15

20s - Q5
What mathematical equation describes the graph below?

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

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

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

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

30s - Q6
Which equation represents โy varies directly as x and zโ?

๐ฆ =ย $\backslash frac\{kx\}\{z\}$

๐ฆ = ๐๐ฅ๐ง

๐ฆ = ๐ฅ๐ง

๐ฆ =ย $\backslash frac\{kz\}\{x\}$

20s - Q720s
- Q8
It is defined as the variation where a quantity depends on two or more other quantities, whereas one quantity varies directly while the other quantity varies inversely.

Combined

Direct

Joint

Inverse

20s - Q9
โThe Interest earned by a savings account of Mr. Viray is jointly proportional to the Time and its Principal amount. After one quarter (3months), the interest for a principal amount of Php 6,000 is Php 120.โ How much interest is earned within 5 months if the principal amount is Php 7,500?

Php 250

Php 300

Php 200

Php 350

60s - Q10
In the expression 3๐ฅยฒ, 2 is called _____.

Literal Coefficient

Constant term

Numerical Coefficient

Exponent

15s - Q11
Which of the following is TRUE?

(๐โ

^{5})^{0}= ๐^{โ5}$\backslash frac\{x^\{-2\}\}\{x^5\}=x^3$

๐

^{0}๐^{2}= ๐๐^{0}๐ฅ

^{6}โ ๐ฅ^{3}= ๐ฅ^{9}20s - Q1220s
- Q1330s
- Q1445s
- Q1530s