3rd Quarter Math 8 Summative Test

Quiz by Osmundo Siapian

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- Q1
What property is illustrated if x = x, then x is equal to itself x?

C. Symmetric

D. Transitive

B. Reflexive

A. Distributive

60s - Q2
Which of the following is considered true without proof or justification?

B. Defined Term

A. Conjecture

C. Postulate

D. Theorem

60s - Q3
What is a valid conclusion if x and y are complementary?

A. m $\backslash angle$x = m $\backslash angle$y

D. m$\backslash angle$ x + m$\backslash angle$ y = 180°

B. m $\backslash angle$x + m $\backslash angle$y = 90°

C. m$\backslash angle$ x ≠ m$\backslash angle$ y

60s - Q4
Which would be the result of -2 (x - y), if the Distributive property were applied?

B. -2x + 2y

A. 2x – 2y

D. -2x + y

C. 2x + y

60s - Q5
Which of the following represents a line?

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

A. BC

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

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

60s - Q6
What is used to prove a Theorem?

C. Intuition

B. Guess

A. Analogy

D. Proof

60s - Q7
Which method of proof uses contradiction to prove a statement?

D. Two Column Proof

C. Indirect Proof

B. Formal Proof

A. Direct Proof

60s - Q8
What is the common endpoint of the two rays in an angle?

D. Vertex

A. Angle Measure

C. Midpoint

B. Arrowhead

60s - Q9
What represents a plane?

C. a flat surface

B. an exact location

A. a straight path

D. intersecting paths

60s - Q10
What property justifies the following conclusion?

Given: x = y , y = z

Conclusion: x = z

C. Reflexive Property

D. Transitive Property

A. Addition Property of Equality

B. Division Property of Equality

60s - Q11
Determine the classification of the given triangle according to the angle.

B) Isosceles

C) scalene

D) equilateral

A) Right

60s - Q12
What kind of a triangle is this in accordance of the given sides?

B) Isosceles

A) Right

C) scalene

D) equilateral

60s - Q13
In any given triangle the sum of the interior angles is equal to...

D) 360 degrees

A) 100 degrees

C) 180 degrees

B) 120 degrees

60s - Q14
Find the measure of the unknown interior angle.

A) 35 ̊

B) 45 ̊

C) 85 ̊

D) 95 ̊

60s - Q15
Find the measure of the unknown interior angle.

B) 36 ̊

A) 26 ̊

C) 85 ̊

D) 144 ̊

60s