Question 1

Which is an example of direct variation?

Accepted Answer

𝑦 = 2𝑥

Answer

Answer

Answer

𝑦 = $\frac{2}{x}$

Question 2

The length 𝑙 of a rectangular field varies inversely as its width 𝑤 is written as ____.

Accepted Answer

Answer

Answer

𝑙 = 𝑘𝑤

Answer

𝑤 = 𝑘𝑙

Question 3

Which is an example of inverse variation?

Accepted Answer

Answer

Answer

Answer

Question 4

If 𝑦 varies inversely as 𝑥 and 𝑦 = 12 when 𝑥 = 4, find 𝑦 when 𝑥 = 3.

Accepted Answer

16

Answer

17

Answer

15

Answer

18

Question 5

What mathematical equation describes the graph .

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 6

Which equation represents “y varies directly as x and z”?

Accepted Answer

𝑦 = 𝑘𝑥𝑧

Answer

Answer

Answer

Question 7

Which is the correct translation of the equation $\frac{2}{x}$ .

Accepted Answer

A varies directly as b and inversely as c

Answer

A is directly proportional to k, b and c

Answer

A is jointly proportional to b and c

Answer

A varies jointly as b and inversely as c

Question 8

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.

Accepted Answer

Combined

Answer

Inverse

Answer

Joint

Answer

Direct

Question 9

“The Interest earned by a savings account of Mr. Viray is 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.” How much interest is earned within 5 months if the principal amount is Php 7,500?

Accepted Answer

Php 250

Answer

Php 300

Answer

Php 200

Answer

Php 350

Question 10

In the expression 3𝑥², 2 is called _____.

Accepted Answer

Exponent

Answer

Numerical Coefficient

Answer

Constant term

Answer

Literal Coefficient

Question 11

Which of the following is TRUE?

Accepted Answer

𝑥⁶ ∙ 𝑥³ = 𝑥⁹

Answer

(𝑏−⁵)⁰= 𝑏⁻⁵

Answer

𝑎⁰𝑏² = 𝑎𝑏⁰

Answer

$xy=2$ = 𝑥³

Question 12

Transform 𝑎³𝑎^{5 $\frac{b^{10\ }}{b^5}$} in simplified form by applying the laws of exponent.

Accepted Answer

𝑎⁸𝑏⁵

Answer

(𝑎𝑏⁸)⁵ 𝑎⁸𝑏⁵

Answer

𝑎𝑏²³

Answer

(𝑎𝑏⁸)⁵

Question 13

What law of exponent is applied in the expression $\frac{2}{x}$ ?

Accepted Answer

Quotient Law

Answer

Product Law

Answer

Power Law

Answer

Radical Law

Question 14

Which of these has the same value with ( $\frac{2}{x}$ )³?

Accepted Answer

16

Answer

8

Answer

4

Answer

1

Question 15

The exponential expression $\frac{2}{x}$ is the same as_____.

Accepted Answer

Answer

Answer

Answer

Question 16

Express $\frac{2}{x}$ in a single radical expression.

Accepted Answer

Answer

Answer

Answer

Question 17

Change $\frac{2}{x}$ to rational form.

Accepted Answer

<math>\left(m+n\right)^{\frac{1}{2}}</math>

Answer

Answer

<math>\left(m+n\right)^2</math>

Answer

Question 18

The length of the diagonal of the square box is $\frac{2}{x}$ cm. How is the length of the diagonal of the box translated in rational exponent?

Accepted Answer

Answer

Answer

Answer

Question 19

Which of the following is equal to $\frac{2}{x}$ .

Accepted Answer

Answer

Answer

Answer

Question 20

What is another way of writing $\frac{2}{x}$ ?

I. $\frac{b^{10\ }}{b^5}$ II. $\sqrt[7]{143}$

Accepted Answer

I

Answer

I and II

Answer

either I nor II

Answer

II

Question 21

What is another way of writing $\frac{2}{x}$ ?

Accepted Answer

Answer

Answer

Answer

Question 22

What is $\frac{2}{x}$ in simplified form?

Accepted Answer

3

Answer

6

Answer

9

Answer

18

Question 23

Between what two consecutive whole numbers does $\frac{2}{x}$ lie?

Accepted Answer

14 and 15

Answer

15 and 16

Answer

13 and 14

Answer

12 and 13

Question 24

What is the simplest form of 12𝑎 $\frac{2}{x}$ ?

Accepted Answer

Answer

Answer

Answer

Question 25

What is the simplest form of $\frac{2}{x}$ ?

Accepted Answer

Answer

Answer

Answer

Question 26

Which expression must be multiplied to simplify the radical expression $\frac{2}{x}$ ?

Accepted Answer

Answer

Answer

Answer

Question 27

All of these radical expressions are simplified except for_____.

Accepted Answer

5 $\frac{2}{x}$

Answer

Answer

Answer

Question 28

The sum $\frac{2}{x}$ is____________.

Accepted Answer

Answer

Answer

Answer

Question 29

Simplify $\frac{2}{x}$ .

Accepted Answer

Answer

Answer

Answer

Question 30

What is the sum of the expressions $\frac{2}{x}$ ?

Accepted Answer

Answer

Answer

Answer

Question 31

Which of the following is the product of $\frac{2}{x}$ • $4\sqrt{25a^4}$ ?

Accepted Answer

Answer

Answer

Answer

Question 32

What is the quotient of $\frac{2}{x}$ ÷ $4\sqrt{25a^4}$ ?

Accepted Answer

Answer

Answer

Answer

Question 33

What is the difference of 15 $\frac{2}{x}$ and 3 $4\sqrt{25a^4}$ ?

Accepted Answer

Answer

Answer

Answer

Question 34

What is the product of $\frac{2}{x}$ , $4\sqrt{25a^4}$ and $\sqrt{6}$ ?

Accepted Answer

Answer

Answer

Answer

Question 35

Which of the following radical equations will have x =6 as the solution?

Accepted Answer

Answer

Answer

Answer

Question 36

What value of n will satisfy the equation $\frac{2}{x}$ = 3?

Accepted Answer

n= 79

Answer

n = 89

Answer

n=59

Answer

n= 69

Question 37

Find the length of an edge of a cube whose surface area is 72 sq. m. Surface Area (SA) =6s².

Accepted Answer

<math>2\sqrt{3}\ \ \ meters</math>

Answer

<math>\sqrt{2}\ \ \ \ \ meters</math>

Answer

<math>6\sqrt{12}\ \ meters\ </math>

Answer

<math>6\sqrt{2}\ \ \ meters\ </math>

Question 38

Which of the following satisfies the equation $\frac{2}{x}$ – 1= 4?

Accepted Answer

x= 25

Answer

x= 4

Answer

x= 16

Answer

x= 8

Question 39

What is the perimeter of a rectangular garden in a backyard whose width is 4 $\frac{2}{x}$ m and whose length is 6 $4\sqrt{25a^4}$ m?

Accepted Answer

Answer

10 $\frac{2}{x}$

Answer

Answer

Question 40

The square root of a number is 7. Find the number.

Accepted Answer

49

Answer

16

Answer

36

Answer

25

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