3rd Quarter Math 8 Summative Test

Quiz by Osmundo Siapian

Mathematics

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40 questions
• 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 $\angle$x = m $\angle$y

D. m$\angle$ x + m$\angle$ y = 180°

B.  m $\angle$x + m $\angle$y = 90°

C. m$\angle$ x ≠ m$\angle$ 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. $\overleftrightarrow\left\{\mathrm\left\{UH\right\}\right\}$

A.  BC

C. $\overrightarrow\left\{\mathrm\left\{DE\right\}\right\}$

B. $\overline\left\{\mathrm\left\{CD\right\}\right\}$

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

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

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

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