Quarter 4 Reviewer in Mathematics 8

Which of the following illustrates Transitive axiom?

• A. if 𝑎 = 𝑏, then 𝑏 = 𝑎

• B. if 𝑎 = 𝑏, then 𝑎 + 𝑐 = 𝑏 + 𝑐

• C. if 𝑎 = 𝑏 and 𝑏 = 𝑐, then 𝑎 = 𝑐

• D. if 𝑎 = 𝑏, then, 𝑎 ∙ 𝑐 = 𝑏 ∙ 𝑐

Which of the following illustrates a Associative Axiom?

• A. (3 + n) + 5 = 3 + (n + 5)

• B. a(7 + b) = (a)(7) + (a)(b)

• C. 4 + n = n + 4

• D. 9 + (−9) = 0

What undefined term is represented by a stars in the sky?

• A. point

• B. line

• C. plane

• D. angle

What undefined term is represented by the electrical post?

• A. point

• B. line

• C. plane

• D. angle

Which of the following does NOT represent a plane?

• A. faces of a rectangular box

• B. cover page of a book

• C. top of the table

• D. tip of a pen

Which of the following statements is true about axioms or postulates?

• A. These are concepts that need to be defined.

• B. These are statements accepted after it is proved deductively.

• C. These are concepts that can be defined using the undefined terms.

• D. These are statements assumed to be true and need no further proof.

Which of the following best describes a theorem?

• A. It is the same thing as a postulate.

• B. It is a statement that is accepted as true without a formal proof.

• C. It is a statement that is impossible to be proven by mathematical reasoning.

• D. It is a statement that has been formally proven using mathematical reasoning.

Which of the following statements represents the Segment Addition Postulate?

• A. Points D,E,S are collinear and E is between D and S, then DE + ES=DS

• B. Points D, E, S are collinear and E is between D and E, then DE + DS=ES

• C. Points D,E,S are collinear and E is between D and E, then DE = DS=ES

• D. Points AD,E,S are collinear and E is between D and E, then DE − ES=DS

Which of the symbols below is used to indicate correspondence?

• A. 𝛥

• B. ↔

• C. ∠

• D. ≅

Which of the following is a symbol used for congruence?

• A. =

• B. ≈

• C. ≅

• D. ≠