Page 3 - 8th Grade EOG Prep ans key

7. A local fair charges an entry fee as well as a fee for each ride ticket
purchased at the fair. The equation y = 3x + 15 can be used to determine

the amount of money a person will spend at the fair.

What do the numbers 3 and 15 represent in terms of the money spent at the
local fair?

A. The 3 represents the cost per ticket, and the 15 represents the entry fee.
B. The 3 represents the entry fee, and the 15 represents the cost per ticket.

C. The 3 represents the entry fee, and the 15 represents the total amount of

money paid.
D. The 3 represents the cost per ticket, and the 15 represents the total

amount of paid.

8. The table shown represents a relation between x and y. Which statement

about the relation is true?

a. Because each y-value is paired with exactly one x-value, the relation
is a function.
b. Because each x-value is paired with exactly one y-value, the relation

is a function.
c. Because there are some y-values assigned to more than one x-value,
the relation is not a function.
d. Because there are some x-values assigned to more than one y-value,

the relation is not a function.

9. The set of ordered pairs shown represents a function, f.

Select the THREE ordered pairs that could be added to the set so that f remains
a function.