1. Which of the following statements is true?
a. Every relation is a function.
b. Every function is a relation.
c.not all functions are relations
d. All functions are not relations.

2. Which of the following sets of ordered pairs represents a function?
a. {(0, 2), (1, 3), (2, 4), (3,5), (6, 6) }
b.{(1, 0), (1, 2), (1,4), (1, 6), (1,5)}
c.{(0,2),(3,2),(3,1),(0,4),(2,1)}
d. {(-1,3), (-1,8), (3,-1), (3,-8), (-3,-3) }

3. Which of the following equations represents a function?
a. y = 3x - 6
b. 7x -5 = y2
c. 6x + y2 = 12
d. y + y + = 4x + 5

4. Which of the following is an example of one-to-one relation?
a. {(1, 2), (1,3), (1,4), (1,5)}
b.{(2,r), (3,s), ), (4, r), (5, s) }
c.{(a,b),(c,d),(b,b),(c,b),(e,f)}
d. {(a, b), (c,d), (e, f), (g, h), (1,j) }

5. In how many point(s) does a vertical line intersect the graph of a function?
a. at least one point
b. at exactly one point
c.more than one point
d. at exactly two points a

6 Which of the following rules represents a more relation?
a.children and mother at home
b.the area of a circle and it's radius
c. the amount of a company tax and it's net profit
d.the salary of a worker and the number of hours rendered

7. Relations can be represented on following except
a.graph
b.shape
c.table
d.rule

8.Joy, grade 8 student loves to share snack to her friends as shown through these pairs:
{(Jane, Apple),(Lyn,Apple),(Anne,Apple)}, which of the following correspondence best describes the given set?
a.Many-to-Many
b.One-to-Many
c.Many-to-One
d.One-to-One

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