Quarter 3: Quiz #1

Which system or structure that consists of defined and undefined terms, axioms or postulates, and theorems?

• mathematical system

• organized system

• scientific system

What component of a mathematical system consists of a point, a line, and/or a plane?

• defined terms

• theorems

• postulates

• undefined terms

Ray and angle are examples of what component of mathematical system?

• defined terms

• undefined terms

• postulates

• theorems

Which of the following mathematical systems are assumed to be true without proof?

• defined terms

• undefined terms

• postulates

• theorems

Which of the following mathematical system is proved using definitions, postulates, or other theorems that were already known?

• undefined terms

• defined terms

• postulates

• theorems

Based on research of UP Diliman Institute of Biology, mangroves are better than dolomite for Manila Bay rehabilitation. What mathematical system is used in the given situation?

• defined terms

• undefined terms

• postulates

• theorems

What property is illustrated in: “If x = y, then y = x”.

• distributive

• reflexive

• transitive

• symmetric

What property justifies the given conclusion?

Given: x = y, y = z

Conclusion: x = z

• reflexive

• transitive

• addition property of equality

• distributive property

Which of the following statements is true?

• If x has a measure of 60°, then x is right.

• If x has a measure of 90°, then x is acute.

• If x has a measure of 120°, then x is obtuse.

• If x has a measure of 190°, then x is obtuse.

What will be the result when the distributive property is applied in 5(x – y)?

• 5x – y

• 5x - 5y

• x - 5y

• x - y -5