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Q1.COT1.Evaluation

Authored by Florie Joy Pido

Mathematics

8th Grade

Used 2+ times

Q1.COT1.Evaluation
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In a rational algebraic expression written in the form of PQ\frac{P}{Q} , where P and Q are polynomials,

the polynomial Q must not be equal to ________.

-1

0

1

2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following terms is described as "the ratio of two polynomial expressions"?

linear equation

linear expression

rational equation

rational expression

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is considered a rational algebraic expression?

n2+n\frac{\sqrt[]{n}}{2+n}

x−2+2x+4\frac{x^{-2}+2}{x+4}

3x2−x+12x−5\frac{3x^2-x+1}{2x-5}

3x−7x12−8\frac{3x-7}{x^{\frac{1}{2}}-8}

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Which of the following is a rational algebraic expression having trinomial on both numerator and denominator?

2x5xy\frac{2x}{5xy}

3x+2x2−2x−4\frac{3x+2}{x^2-2x-4}

x2−4x2−9\frac{x^2-4}{x^2-9}

x2−10x+25x2−3x−10\frac{x^2-10x+25}{x^2-3x-10}

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is NOT a rational algebraic expression?

2x5xy\frac{2x}{5xy}

3x−5+2x2−2x−4\frac{3x^{-5}+2}{x^2-2x-4}^{ }

x2−4x2−9\frac{x^2-4}{x^2-9}

x2−10x+25x2−3x−10\frac{x^2-10x+25}{x^2-3x-10}

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following represents a ratio of two polynomials?

−23\frac{-2}{3}

(x+2)(x−2)\left(x+2\right)\left(x-2\right)

x+2x−2\frac{x+2}{x-2}

(x−2)−(x+2)\left(x-2\right)-\left(x+2\right)

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The formula for finding the area of a rectangle is 𝐴 = 𝑙𝑤, where 𝑙 is the length and 𝑤 is the width of the rectangle. What is the formula in finding the length (𝑙) of the rectangle given its area (𝐴)?

Al\frac{A}{l}

Aw\frac{A}{w}

lA\frac{l}{A}

wA\frac{w}{A}

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