Question 1

What property is illustrated if x = x, then x is equal to itself x?

Accepted Answer

Reflexive

Answer

Distributive

Answer

Symmetric

Answer

Transitive

Question 2

Which of the following statements is true?

Accepted Answer

If $\angle$ d has a measure of 190°, then d is reflexive.

Answer

if $\angle$ c has a measure of 120°, then c is acute.

Answer

if $\angle$ a has a measure of 60°, then a is right

Answer

if $\angle$ b has a measure of 90°, then b is obtuse.

Question 3

Which of the following is considered true without proof or justification?

Accepted Answer

Conjecture

Answer

Defined Term

Answer

Theorem

Answer

Postulate

Question 4

What is a valid conclusion if $\angle$ x and $\angle$ y are complementary?

Accepted Answer

m $\angle$ x + m $\angle$ y = 90°

Answer

m $\angle$ x + m $\angle$ y = 180°

Answer

m $\angle$ x = m $\angle$ y

Answer

m $\angle$ x ≠ m $\angle$ y

Question 5

Which would be the result of -2 (x - y), if the Distributive property were applied?

Accepted Answer

2x + y

Answer

-2x + y

Answer

2x – 2y

Answer

-2x + 2y

Question 6

Which of the following represents a line?

Accepted Answer

$\overrightarrow{\mathrm{DE}}$

Answer

BC

Answer

$\overrightarrow{\mathrm{DE}}$

Answer

$\overrightarrow{\mathrm{DE}}$

Question 7

What is used to prove a Theorem?

Accepted Answer

Proof

Answer

Guess

Answer

Intuition

Answer

Analogy

Question 8

Which method of proof uses contradiction to prove a statement?

Accepted Answer

Formal Proof

Answer

Direct Proof

Answer

Two Column Proof

Answer

Indirect Proof

Question 9

Which is not a postulate?

Accepted Answer

A line contains at least two points

Answer

Through any two points, there is exactly one line

Answer

If two lines intersect, then their intersection is exactly one point

Answer

A plane contains at least three points that are non-collinear

Question 10

What is the common endpoint of the two rays in an angle?

Accepted Answer

Midpoint

Answer

Arrowhead

Answer

Angle Measure

Answer

Vertex

Question 11

What represents a plane?

Accepted Answer

an exact location

Answer

a flat surface

Answer

intersecting path

Answer

a straight path

Question 12

What property justifies the following conclusion?

Given: x = y , y = z

Conclusion: x = z

Accepted Answer

Transitive Property

Answer

Addition Property of Equality

Answer

Division Property of Equality

Answer

Reflexive Property of Equality

Question 13

Which among the following need supporting proof to be true?

Accepted Answer

Theorem

Answer

Undefined Term

Answer

Axiom

Answer

Postulate

Question 14

Which consists of two rays sharing one endpoint but going opposite directions?

Accepted Answer

Ray

Answer

Line Segment

Answer

Separate rays

Answer

Opposite rays

Question 15

What portion of a line has one arrowhead?

Accepted Answer

Line

Answer

Plane

Answer

Point

Answer

Ray

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