Quiz about FB 20: Statistical Analysis

Question 1

Which equation represents the line shown in the graph?

Accepted Answer

y = -(3/5)x

Answer

y = (5/3)x

Answer

y = (3/5)x

Answer

y = -(5/3)x

Question 2

What is the slope of this line?

Accepted Answer

3/2

Answer

-3/2

Answer

-2/3

Answer

2/3

Question 3

During a snowstorm, snow falls at a constant rate and is recorded by a meteorologist. The data is plotted on the graph below.

Accepted Answer

y = 3x + 3

Answer

y = (1/3)x + 3

Answer

y = 3x + 18

Answer

y = (1/3)x + 18

Question 4

Which coordinate plane represents the linear relationship 4x + 5y = 20?

Accepted Answer

Question 5

Select the equation that represents the graph of the line.

Accepted Answer

y = (1/2)x - 1

Answer

y = x - 1

Answer

y = (1/2)x + 2

Answer

y = x + 2

Question 6

Jackson is tracking how many cups of cat food he has left after feeding his cats each day. He made the following chart.

According to the graph, how many cups of cat food does Jackson have left after 5 days?

Accepted Answer

13 cups

Answer

14 cups

Answer

8 cups

Answer

10 cups

Question 7

A company charges a fee of $2,000 plus $3 per mile to transport some equipment by truck. Which graph shows the relationship between the number of miles the truck is driven and the cost for transporting the equipment?

Accepted Answer

Question 8

Which table of values can be represented by the function y = 2x + 5 $?

Accepted Answer

Question 9

Which of the following graphs represents a function?

Accepted Answer

Question 10

Consider the fix six terms of this sequence:

$$-9,\ -2,\ \ 5,\ \ 12,\ \ 19,\ \ 26,\ ...$$

What is the common difference in this sequence?

Accepted Answer

$$7$$

Answer

$$-9$$

Answer

$$9$$

Answer

$$6$$

Question 11

Given f(x) = 3x + 2, evaluate f(3).

Accepted Answer

$$11$$

Answer

$$3$$

Answer

$$8$$

Answer

$$9$$

Question 12

A tow truck charges a flat rate of $100 plus $5 per mile driven. The cost can be represented by the function c(x) = 5x + 100 and the graph below.

Explain what the statement c(40) = 300 means in the context of this situation.

Accepted Answer

If the tow truck is driven 40 miles, the cost is $300.

Answer

If the tow truck costs $40, the miles driven will be 300 miles.

Answer

If the tow truck is driven 300 miles, the cost is $40.

Question 13

A tow truck charges a flat rate of $100 plus $5 per mile driven. The cost can be represented by the function c(x) = 5x + 100 and the graph below.

What is the slope in context to the graph?

Accepted Answer

Every 20 miles costs an additional $100.

Answer

Every 100 miles costs an additional $20.

Answer

Every 1 box up means 2 boxes to the right.

Answer

Every 10 miles costs an additional $100.

Question 14

A tow truck charges a flat rate of $100 plus $5 per mile driven. The cost can be represented by the function c(x) = 5x + 100 and the graph below.

Determine the cost of the tow truck driven 50 miles.

Accepted Answer

$350

Answer

$400

Answer

$300

Answer

$100

Question 15

What is the initial amount / y-intercept for this table?

Accepted Answer

$$13$$

Answer

$$0$$

Answer

$$20$$

Answer

$$4$$

Question 16

If the initial amount is 13, what is the function for this table?

Accepted Answer

$$d\left(m\right)=4m+13$$

Answer

$$d\left(m\right)=4m+23$$

Answer

$$d\left(m\right)=13m+4$$

Answer

$$d\left(m\right)=13m+33$$

Question 17

Which function correctly describes the graph shown?

Accepted Answer

$$f\left(x\right)=-\frac{1}{10}x+10$$

Answer

$$f\left(x\right)=-10x+10$$

Answer

$$f\left(x\right)=\frac{1}{10}x+10$$

Answer

$$f\left(x\right)=-10x+100$$

Question 18

An ant is crawling up the side of a building. The ant crawled 5 inches after one second, 8 inches after two seconds, and 11 inches after three seconds.

If the rate continues, the total distance the ant will crawl after 7 seconds is . . .

Accepted Answer

23 inches

Answer

3 inches

Answer

14 inches

Answer

21 inches

Question 19

A new membership at Average Joe's gym requires a registration fee of $25 and has a rate of $15 per month. Which of the following statements is TRUE?

Accepted Answer

The monthly rate of $15 represents the slope.

Answer

The initial fee is $25 and represents the slope.

Answer

The total amount due for membership is $40 each month.

Answer

This function decreases over the course of time.

Question 20

What is the explicit equation for the arithmetic sequence in the table?

Accepted Answer

$$y=3x+1$$

Answer

$$y=4x+3$$

Answer

$$y=3x+4$$

Answer

$$y=4\left(3\right)^x$$

Question 21

Question 21.

Accepted Answer

(3)

Answer

(1)

Answer

(2)

Answer

(4)

FB 20: Statistical Analysis

25 questions

Which equation represents the line shown in the graph?

What is the slope of this line?

During a snowstorm, snow falls at a constant rate and is recorded by a meteorologist. The data is plotted on the graph below.

Which coordinate plane represents the linear relationship 4x + 5y = 20?

Select the equation that represents the graph of the line.

Jackson is tracking how many cups of cat food he has left after feeding his cats each day. He made the following chart.
According to the graph, how many cups of cat food does Jackson have left after 5 days?

A company charges a fee of $2,000 plus $3 per mile to transport some equipment by truck. Which graph shows the relationship between the number of miles the truck is driven and the cost for transporting the equipment?

A student makes money by watching the neighbors’ dog. The situation is modeled in the graph below. Which statement correctly describes the relationship between the amount of money the student makes and time in days?

Select the ordered pair that is most likely a solution to the equation represented by the graph.

Which table of values can be represented by the function y = 2x + 5 $?

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