Math 8 (Reviewer)

Which of the following illustrates a relation?

• {2,4,6,8,10}

• {(2,2), (3,3), (4,4)}

• {0,1,2,3,4}

• {(1,2),3,6,9}

Which of the following is NOT a relation?

• {(1,0), (1, -2), (1,1)}

• {(1,0), (-2,0), (100,0)}

• {(1,8), (8,1), (2,3)}

• {-1, -2, -3, -4, -5, -6}

Which of the following illustrates a function?

• A

• B

• C

• D

Which of the following best defines a function?

• A relation where element of domain is associated with only one element in range.

• A relation where each element in range is associated with only one domain.

• A relation where every element of the domain is paired with multiple elements of the range.

• A relation where each element of domain is associated with multiple elements in range.

What do you call the statement “If I study hard, then I will succeed”?

• Argument

• Conditional

• Conclusion

• Hypothesis

Identify the conclusion in the statement “If I get high grades, then my parents will be happy”.

• If I get high grades.

• Then my parents will be happy.

• I get high grades.

• My parents will be happy.

What do you call a compound statement formed by joining two statements using the words if and then?

• Conditional

• Converse

• Inverse

• Contrapositive

What are the undefined terms in Geometry?

• Point, line, and plane

• Axiom, postulate, and theorem

• Bisector, betweenness, and midpoint

• Parallel, perpendicular, and intersecting lines

What undefined term that has infinite length but with no width nor thickness?

• Angle

• Plane

• Line

• Point

Which mathematical system does NOT require a definition but it is used as a basis in defining other terms?

• Defined terms

• Postulate

• Theorem

• Undefined terms