Mathematics 8 Quarterly Assessment

What is the process of finding the factors of an expression which is the reverse process of multiplication?

• factoring

• special product

• rationalization

• continuous division

What is the number greater than 1 which has only two factors: 1 and itself?

• Prime number

• Odd number

• Even number

• Composite number

Which of the following is a perfect square number?

• 8

• 24

• 125

• 121

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

• linear algebraic expression

• linear algebraic equation

• rational algebraic expression

• rational algebraic equation

In a rational algebraic expression written in the form of P/Q, where P and Q are polynomials, the polynomial Q must not be equal to ________.

• -1

• 0

• 1

• 2

Which of the following represents a ratio of two polynomials?

• (2𝑥 + 1) − (𝑥 − 4)

• (𝑥 − 5) + (5𝑥 − 8)

• (𝑥 + 1)(𝑥 − 3)

• (4𝑥−1)/(2𝑥−3)

What is a Rectangular Coordinate System?

• A.    IT is used for naming points in a plane.

• A.    It is a plane used for graphing linear functions.

• A.    It is used to determine the location of a point by using a single number.

• A.    It is a two-dimensional plane which is divided by the axes into four regions called quadrants.

If 𝐴, 𝐵, and 𝐶 are real numbers and if 𝐴 and 𝐵 are both not equal to 0 then 𝐴𝑥 + 𝐵𝑦 = 𝐶 is called a __________.

• linear equation in one variable

• linear equation in two variables

• system of linear equations

• system of linear inequalities

Which of the following is the standard form of a linear equation in two variables?

• 𝑦 = 𝑚𝑥 + 𝑏

• 𝑦 = 𝑚𝑥 - 𝑏

• 𝐴𝑥 + 𝐵𝑦 = 𝐶

• 𝐴𝑥− 𝐵𝑦 = 𝐶

What is 𝐶 in the equation 𝐴𝑥 + 𝐵𝑦 = 𝐶?

• coefficient

• constant

• slope

• variable