AzM2 Grade 8 Math Test

Question 1

Which of these two figures will the 30 fall between?

Accepted Answer

5 and 6

Answer

-5 and -6

Answer

0 an1

Answer

4 and 5

Question 2

Which of the ordered pairs below corresponds to a function? Choose all that apply.

Accepted Answer

{(7, 5), (3, 5), (1, 5), (-3, 5)}

Answer

{(7, 3), (2, 6), (3, 8), (2, 5)}

Answer

{(0, 5), (8, 3), (7, 6), (0, 2)}

Answer

{(1, 8), (1, 7), (1, 9), (1, 0)}

Answer

{(-1, 2), (-2, 3), (-4, 9), (-1, 7)}

Question 3

Choose the appropriate ending(s) for the following sentence: A set of points is a function only if and only if
Instructions: Check all of the boxes that apply.

Accepted Answer

each x is paired with one and only one y

Answer

there is no correct answer.

Answer

each output has exactly one input.

Answer

each y is paired with only one x.

Question 4

To answer, use the table below.

In the table, what is the rate of change?

Accepted Answer

3

Answer

6

Answer

9

Answer

7

Question 5

A function is which of the following groupings?

Accepted Answer

{(-7, 2), (-3, 4), (-1, 3), (0, 0)}

Answer

{(2, 0), (-2, 7), (-9, 3), (-2, 9)}

Answer

{(1,3),(7,1),(8,10),(7,7) }

Answer

{(0, 5), (0, 4), (0, 8), (0, 11)}

Answer

{(1, 4), (3, -4), (7, 4), (1, -4)}

Question 6

Which of the following methods can be used to see if a data set is a function? There could be more than one solution.

Accepted Answer

Vertical line test

Answer

Make sure “y” values do not repeat

Answer

Make sure each x-value has more than one y-value

Question 7

Which of the following figures represents the likelihood of an event occurring, and why?

Accepted Answer

0.95, because likely events have a probability close to 1.

Answer

0.51, because any probability higher than 0.5 is likely to happen.

Answer

0.03, because likely events have a probability close to 0.

Answer

97.4, because likely events have a probability close to 100%.

Question 8

This summer, a group of buddies went on fishing outings. During their trip, they were required to spend a particular number of days and catch a certain amount of fish. Whose ratio of fish caught every day is comparable to Brian's, according to the table?

Accepted Answer

Brody

Answer

Kevin

Answer

York

Answer

Justin

Question 9

The family of Jayson is planning to purchase a new television. A large deal is being advertised at an electronics store, with all televisions being discounted by 10% off their standard price. In addition, Jayson's father has a special voucher that entitles him to $200 off any item with a usual price of $1,000 or more. After the 10% discount, the $200 discount will be applied. Which of the following is NOT an accurate statement of the price that Leo's father will have to pay for a television that has a normal price of p dollars, assuming that the television Jayson's father is planning to buy has a regular price over $1,000?

Accepted Answer

(p – 200)(0.90)

Answer

0.90p – 200

Answer

p(1 – 0.10) – 200

Answer

(p – 200) – 0.10p