Question 1

A set of data is represented on the scatter plot below.
Which equation best models the set of data?

Accepted Answer

$y=-\frac{3}{4}x+6$

Answer

$y=6x-\frac{3}{4}$

Answer

$y=-6x+\frac{3}{4}$

Answer

$y=\frac{3}{4}x-6$

Question 2

The scatter plot below can be used to find the approximate rate at which water flows through a garden hose. The line of best fit for the scatter plot can be described by the equation $y=\frac{4}{5}x$.
If the rate, in gallons per minute, continues, approximately how many gallons of water will flow from the hose in 45 minutes?

Accepted Answer

36

Answer

39

Answer

56

Answer

24

Question 3

The scatter plot below shows the average points scored per game by players of different ages in an adult basketball league.
Which statement 'best' describes the association between a player's age, in years, and the average points scored per game?

Accepted Answer

There is a positive linear association and one outlier.

Answer

There is a negative linear association and one outlier.

Answer

There is no association.

Answer

There is a nonlinear association.

Question 4

In city $W$, the average cost for a gym membership is given by the equation $y = 3 4.99x + 49$, where $y$ is the total cost, in dollars, for $x$ months of membership. What is the meaning of the $y$-value when $x = 1$?

Accepted Answer

the average total cost for the first month of a gym membership

Answer

the average total cost for the first two months of a gym membership

Answer

the average sign-up fee for a gym membership

Answer

the average monthly charge for a gym membership

Question 5

A newspaper conducted a survey to find out how many high school students play video games. The two-way table below displays the data from the survey.
Based on these data in the table, which statement is true?

Accepted Answer

There were 2,996 girls surveyed, and about 45% of them play video games.

Answer

There were 2,451 boys surveyed, and about 29% of them play video games.

Answer

There were 5,447 students surveyed, and about 54% of them do not play video games.

Answer

There were 2,493 students surveyed, and about 34% of them are girls who do not play video games.

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