Quiz about 1.31.25 Dep/Ind, proportional graphs

Question 1

Which of the following graphs represents a proportional relationship? Select ALL that apply!

Accepted Answer

Option B is correct

Accepted Answer

Option C is correct

Answer

A.

Answer

D.

Answer

E.

Question 2

Select all graphs that represent proportional relationships.

Accepted Answer

Option A is correct

Accepted Answer

Option B is correct

Question 3

Kelly gets paid $8.50 an hour working at Dunkin Donuts. Which direct variation equation could be used to determine how much Kelly makes for any number of hours.

Accepted Answer

y = 8.50k

Answer

y = 8.50 + k

Answer

$$y\ =\ \frac{8.50}{k}$$

Question 4

What does the point (2, 94) represent in this situation?

Accepted Answer

After 2 weeks, they save $94.

Answer

Every week, they earn $94.

Answer

After 94 weeks, they save $2.

Answer

After 1 week, they save $47.

Question 5

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

Accepted Answer

The graph is not proportional because it does not pass through the origin.

Answer

The graph is proportional  because it is linear.

Answer

The graph is proportional because it is linear and passes through the origin.

Answer

The graph is not proportional because it is not linear and it does not pass through the origin.

Question 6

Proportional or Not Proportional?

Accepted Answer

Proportional

Answer

Not Proportional

Question 7

Which of the following equations represents a proportional relationship?

Accepted Answer

Answer

Answer

$$y=\frac{7}{x}$$

Answer

Question 8

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

Accepted Answer

The graph is not proportional because it does not pass through the origin.

Answer

The graph is proportional  because it is linear.

Answer

The graph is proportional because it is linear and passes through the origin.

Answer

The graph is not proportional because it is not linear and it does not pass through the origin.

Question 9

Which of the following rates of change represents the graph shown?

Accepted Answer

2 boys for every 1 girl

Answer

0.5 boys for every 1 girl

Answer

6 boys for every 1 girl

Answer

3 boys for every 1 girl

Question 10

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

Accepted Answer

y = 8.5x + 25.5

Answer

y = 8.5 + 25.5

Answer

y = 8.5 + 25.5x

Answer

y = 8.5x + 25.5x

Question 11

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week.

Accepted Answer

y = 2x + 6

Answer

y = 6x + 2

Answer

y = 2x - 6

Answer

y = 6x - 2

Question 12

Select the correct responses

Mr. Michel can type 30 words, w, per minute, m.

w= represents words typed

m= represents minutes typing

Accepted Answer

w is the dependent variable

Accepted Answer

m is the independent variable

Answer

w is the independent variable

Answer

m is the dependent variable

Question 13

The total hours, h, spent studying, will determine the grade, g, you earn on your test.

h= represents hours spent studying

g= represents grade earned from studying.

Accepted Answer

The dependent variable is "g", grade

Answer

The dependent variable is " h", hours

Question 14

Addae can run 5 miles, m, in one hour, h.

m= represents miles ran

h= represents hours spent running

Accepted Answer

The independent variable is "h" and the dependent variable is "m"

Answer

The independent variable is "5h" and the dependent variable is "5m"

Answer

The dependent variable is "m" and the independent variable "5h"

Answer

The independent variable is "m" and the dependent variable is "h"

Question 15

Savannah pays $5 a month, m, for her music club subscription.

m= represents # of months

s= total costs of subscription

What is the total costs after 4 months?

Accepted Answer

$20

Answer

$4

Answer

$5

Answer

$25

Question 16

Savannah pays $5 a month, m, for her music club subscription.

m= represents # of months

s= total costs of subscription

Accepted Answer

The independent variable is "m"

Answer

The independent variable is "s"

Answer

The dependent variable is "m"

Answer

The independent variable is "5m"

Question 17

Ordered pair (0,0) is also known as the ___.

Accepted Answer

origin

Answer

y-axis

Answer

x-axis

Question 18

Question 18.

Accepted Answer

Non-proportional

Answer

Proportional

Question 19

Which statement best describes the relationship of x and y in the table?

Accepted Answer

Proportional with a slope of 9

Answer

Not Proportional wutg a slope of 9

Answer

Proportional with a slope of -9

Question 20

Which of the equations below is proportional?

Accepted Answer

y = 6x

Answer

y = 3x + 2

Answer

y = 2x + 4

Answer

y = -2x -1

Question 21

What is the independent variable?

The number of students in a class, s, and the number of desks needed, d

Accepted Answer

number of students in a class, s

Answer

number of desks needed, d

Answer

number of desks in a class, d

Answer

number of students needed, s

Question 22

What is the independent variable?

The number of candles on a birthday cake, c, and that person's age, a

Accepted Answer

that person's age, a

Answer

number of candles on a birthday cake, c

Question 23

What is the dependent variable?

The number of candles on a birthday cake, c, and that person's age, a

Accepted Answer

number of candles on a birthday cake, c

Answer

that person's age, a

Question 24

What is the independent variable?

The number of eggs Dairus has, e, and the number of batches of muffins he can bake, b

Accepted Answer

the number of eggs Darius has, e

Answer

the number of batches of muffins he can bake, b

Question 25

What is the dependent variable?

The number of eggs Dairus has, e, and the number of batches of muffins he can bake, b

Accepted Answer

the number of batches of muffins he can bake, b

Answer

the number of eggs Darius has, e

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