Q3 Module 1 Summative Test

Quiz by Rose Ann Salayon

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### Measures 1 skill fromGrade 8MathematicsPhilippines Curriculum: Grades K-10 (MELC)

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- Q1What property is illustrated if x = x, then x is equal to itself x?DistributiveReflexiveSymmetricTransitive30sM8GE-IIIa-1EditDelete
- Q2Which of the following statements is true?if angle c has a measure of 120°, then c is acute.If angle d has a measure of 190°, then d is reflexive.if angle a has a measure of 60°, then a is right.if angle b has a measure of 90°, then b is obtuse.30sM8GE-IIIa-1EditDelete
- Q3
Which of the following is considered true without proof or justification?

Theorem

Conjecture

Ddefined terms

Postulate

30sM8GE-IIIa-1EditDelete - Q430sM8GE-IIIa-1EditDelete
- Q5
Which would be the result of -2 (x - y), if the Distributive property were applied?

-2x + 2y

2x – 2y

2x + y

-2x - y

30sM8GE-IIIa-1EditDelete - Q6
Which of the following represents a line?

$\backslash overrightarrow\{\backslash mathrm\{DE\}\}$

BC

$\backslash overleftrightarrow\{\backslash mathrm\{UH\}\}$

$\backslash overline\{\backslash mathrm\{CD\}\}$

30sM8GE-IIIa-1EditDelete - Q7
What is used to prove a Theorem?

Analogy

Guess

Proof

Intuition

30sM8GE-IIIa-1EditDelete - Q8
Which method of proof uses contradiction to prove a statement?

Indirect Proof

Direct Proof

Formal Proof

Two Column Proof

30sM8GE-IIIa-1EditDelete - Q9
Which is not a postulate?

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

Through any two points, there is exactly one line

A line contains at least two points

plane contains at least three points that are non collinear

30sM8GE-IIIa-1EditDelete - Q10
What is the common endpoint of the two rays in an angle?

Midpoint

Vertex

Angle Measure

Arrow head

30sM8GE-IIIa-1EditDelete - Q11
What represents a plane?

a flat surface

an exact location

intersecting paths

a straight path

30sM8GE-IIIa-1EditDelete - Q12
What property justifies the following conclusion? Given: x = y , y = z

Conclusion: x = z

Division Property of Equality

Transitive Property

Reflexive Property

Addition Property of Equality

30sM8GE-IIIa-1EditDelete - Q13
Which among the following need supporting proof to be true?

Theorem

Axiom

Undefined Term

Postulate

30sM8GE-IIIa-1EditDelete - Q14
Which consists of two rays sharing one endpoint but going opposite directions?

Line Segment

Ray

Opposite rays

separate rays

30sM8GE-IIIa-1EditDelete - Q15
What portion of a line has one arrowhead?

LINE

PLANE

POINT

RAY

30sM8GE-IIIa-1EditDelete