Quiz about Mathematics 7 1st Term Exam Reviewer

Question 1

It represents the position of a point on the coordinate plane with respect to the origin

Accepted Answer

ordered pair

Answer

y-coordinate

Answer

origin

Answer

x-coordinate

Question 2

The first number that is the signed distance from the origin in the direction along the x-axis.

Accepted Answer

x-coordinate

Answer

unit rate

Answer

y-coordinate

Answer

origin

Question 3

A ratio that compares two quantities with different units of measures.

Accepted Answer

rate

Answer

proportion

Answer

coordinate plane

Answer

ordered pair

Question 4

It is a mere comparison of two quantities usually by dividing them.

Accepted Answer

ratio

Answer

rate

Answer

coordinate plane

Answer

ordered pair

Question 5

A two-dimension surface formed by two intersecting number lines.

Accepted Answer

coordinate plane

Answer

proportion

Answer

rate

Answer

ordered pair

Question 6

In the cartesian plane, there are two axes that intersects. One is the vertical axis, which is called what?

Accepted Answer

y-axis

Answer

x-axis

Answer

origin

Answer

y-coordinate

Question 7

The constant multiple that relates proportional quantities x and y, and is represented by k.

Accepted Answer

constant of proportionality

Answer

rate

Answer

proportion

Answer

unit rate

Question 8

This refers to the ratio between two different units with a denominator of 1.

Accepted Answer

unit rate

Answer

constant of proportionality

Answer

rate

Answer

proportion

Question 9

It is the point at which the x-axis and y-axis intersect in the cartesian plane.

Accepted Answer

origin

Answer

constant of proportionality

Answer

rate

Answer

proportion

Question 10

The equation that represents equal ratios.

Accepted Answer

proportion

Answer

constant of proportionality

Answer

rate

Answer

unit rate

Question 11

Proportional or Not Proportional?

Lara is 5 years older than Jana.

Accepted Answer

Not Proportional

Answer

Proportional

Question 12

A store sells 75-grams cup of coffee for 12 SAR and a 250-grams cup for 30 SAR.

Accepted Answer

Not Proportional

Answer

Proportional

Question 13

Kayla walks 110 meters in 2 hours, 165 meters in 3 hours, and 220 metersin 4 hours.

Accepted Answer

Proportional

Answer

Not Proportional

Question 14

Earning of a Worker per Day.

Accepted Answer

Proportional

Answer

Not Proportional

Question 15

A recipe calls for 16 oz of flour for every 8 oz of milk.

Accepted Answer

Proportional

Answer

Not Proportional

Question 16

Each square foot of carpet costs $1.50.

Accepted Answer

Proportional

Answer

Not Proportional

Question 17

The ratios $$\frac{10}{20},\ \frac{25}{50}\ and\ \frac{32}{64}$$

Accepted Answer

Proportional

Answer

Not Proportional

Question 18

The ratios $$\frac{35}{7},\ \frac{15}{5}\ and\ \frac{36}{9}$$

Accepted Answer

Not Proportional

Answer

Proportional

Question 19

The ratios $$\frac{8}{3},\ \frac{3}{1}\ and\ \frac{5}{2}$$

Accepted Answer

Not Proportional

Answer

Proportional

Question 20

Does the table show a proportional relationship?

Accepted Answer

Proportional

Answer

Not Proportional

Question 21

Does the table show a proportional relationship?

Accepted Answer

Proportional

Answer

Not Proportional

Question 22

Does the table show a proportional relationship?

Accepted Answer

Not Proportional

Answer

Proportional

Question 23

Does the graph show a proportional relationship?

Accepted Answer

Proportional

Answer

Not Proportional

Question 24

Does the graph show a proportional relationship?

Accepted Answer

Not Proportional

Answer

Proportional

Question 25

Which equation represents a proportional relationship?

Accepted Answer

y = 5x

Answer

y = 5

Answer

y = 5 - 4x

Answer

y = 9x - 5

Question 26

The following are examples of a unit rate EXCEPT

Accepted Answer

$$\frac{1}{\frac{1}{2}}$$

Answer

$$\frac{5}{1}$$

Answer

$$\frac{19}{1}$$

Answer

$$\frac{2.5}{1}$$

Question 27

Which of the following is an example of a unit rate?

Accepted Answer

$$\frac{9.5\ miles}{1\ \min}$$

Answer

$$\frac{5.75\ SAR}{12\ chips}$$

Answer

$$\frac{ ext{0.75 SAR}}{0.25\ lb}$$

Answer

$$\frac{200\ cal}{\frac{1}{4}cup}$$

Question 28

What is the constant of proportionality in the equation y=201x?

Accepted Answer

201

Answer

x

Answer

y

Answer

1

Question 29

What is the constant of proportionality in the equation $$y=-x+1$$

Accepted Answer

There is no constant of proportionality

Answer

-1

Answer

y

Answer

1

Question 30

What is the constant of proportionality in the equation $$y=\frac{x}{2}$$

Accepted Answer

$$\frac{1}{2}$$

Answer

$$2$$

Answer

$$y$$

Answer

There is no constant of proportionality

Question 31

What is the unit rate equivalent to $$\frac{189}{21}$$ ?

Accepted Answer

$$\frac{9}{1}$$

Answer

$$\frac{21}{1}$$

Answer

$$\frac{189}{1}$$

Answer

$$3,696$$

Question 32

What is the unit rate equivalent to $$\frac{414}{23}$$ ?

Accepted Answer

$$\frac{18}{1}$$

Answer

$$\frac{23}{1}$$

Answer

$$\frac{414}{1}$$

Answer

$$9,522$$

Question 33

When can you use proportional reasoning to solve a problem?

Accepted Answer

When one quantity is a constant multiple of the other.

Answer

When the sum of two quantities is 1.

Answer

When one quantity is 1 more than the other.

Answer

When the product of two quantities is a constant.

Question 34

Which of the following is equivalent to 256 kilometer in 8 minuts?

Accepted Answer

32 meter per minute

Answer

64 meter per minute

Answer

8 meter per minute

Answer

128 meter per minute

Question 35

Which of the following is equivalent to 12 SAR for 1.5 cups?

Accepted Answer

8 SAR per cup

Answer

1.25 SAR per cup

Answer

12 SAR per cup

Answer

1.5 SAR per cup

Question 36

The graph shows a proportional relationship between the number of miles Marco bikes and the number of hours. What equation relates the distance, y, and the time x?

Accepted Answer

y=15x

Answer

y=30x

Answer

y=x

Answer

y=10x+1

Question 37

Based on the given graph, how many hours will it take for Marko to bike 60 miles?

Accepted Answer

4 hours

Answer

3 hours

Answer

5 hours

Answer

2 hours

Question 38

Which equation represents the table?

Accepted Answer

$$y=3x$$

Answer

$$y=x$$

Answer

$$y=6x$$

Answer

$$y=\frac{1}{3}x$$

Question 39

Which equation represents the table?

Accepted Answer

$$y=5x$$

Answer

$$y=x$$

Answer

$$y=7x$$

Answer

$$y=\frac{1}{5}x$$

Question 40

What is the constant of proportionality of the graph?

Accepted Answer

k=5

Answer

k=1

Answer

k=15

Answer

k=7

Question 41

What is the constant of proportionality of the graph?

Accepted Answer

$$\frac{1}{6}$$

Answer

$$6$$

Answer

$$2$$

Answer

$$\frac{1}{2}$$

Question 42

What is the constant of proportionality of the equation y=2x?

Accepted Answer

$$2$$

Answer

$$6$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{1}{6}$$

Question 43

A graph is a straight line through the point (0.-9). Can the graph represent a proportional relationship?

Accepted Answer

No, the graph of a proportional relationship must past through (0,0)

Answer

Yes, the constant of proportionality is -9.

Answer

No, the graph must past through (-9, 0) in x-axis.

Answer

Yes, the equation of the line can be written in the form y=kx, where k= -9.

Question 44

Lara walked $$\frac{3}{5}meters$$ in $$\frac{1}{2}hours$$ . How fast did she walk, in miles per hour?

Accepted Answer

$$\frac{6}{5}meter\ per\ hour$$

Answer

$$\frac{5}{6}meter\ per\ hour$$

Answer

$$2\ meter\ per\ hour$$

Answer

$$\frac{3}{10}\ meter\ per\ hour$$

Question 45

The graph shows a proportional relationship between the amount Miguel will save in months. What does the point (2,30) represent in this situation?

Accepted Answer

He will save $30 over the next two months.

Answer

It will take him 30 months to save $2.

Answer

He will need 30 months to save 2 grands.

Answer

He intends to spend $30 during the following two months.

Question 46

The graph shows a proportional relationship between the amount Miguel will save in months.

How much does he need to save per week?

Accepted Answer

$15.00 per week

Answer

$30.00 per week

Answer

$60.00 per week

Answer

$45.00 per week

Question 47

How do you know whether two quantities x and y are proportional?

Accepted Answer

Every ratio $$\frac{y}{x}$$ for related pairs of x and y is equivalent.

Answer

Every x and y are the equivalent.

Answer

Every sum x + y is the same for related pairs of x and y.

Answer

Every difference x - y is the same for related pairs of x and y.

Question 48

Which of the following graps shows a proportional relationship?

Accepted Answer

Question 49

Who has the fastest typing speed?

Accepted Answer

Tina: 403 words in 10 minutes

Answer

Lina: 532 words in 14 minutes

Answer

Fara: 468 words in 12 minutes

Answer

Gina: 320 words in 8 minutes

Question 50

Who has the lowest typing speed?

Accepted Answer

Lina: 532 words in 14 minutes

Answer

Tina: 403 words in 10 minutes

Answer

Fara: 468 words in 12 minutes

Answer

Gina: 320 words in 8 minutes

Question 51

A water plant processes 4,500 gallons of water every hour. Which equation represents the amount of water, y, that the plant processes in x hours?

Accepted Answer

$$y=4500x$$

Answer

$$y=x+4500$$

Answer

$$y=\frac{4500}{x}$$

Answer

$$y=\frac{x}{4500}$$

Question 52

A water plant processes 4,500 gallons of water every hour.

How many gallons of water can the plant process in 10 hours?

Accepted Answer

45,000 gallons

Answer

4,500 gallons

Answer

450,000 gallons

Answer

4,500,000 gallons

Question 53

For every dozen donuts costs 45 SAR. How much will it cost for a single donut?

Accepted Answer

3.75 SAR

Answer

4 SAR

Answer

15 SAR

Answer

45 SAR

Question 54

For every dozen donuts costs 45 SAR. How much will it cost for 10 donuts?

Accepted Answer

37.5 SAR

Answer

40 SAR

Answer

15 SAR

Answer

45 SAR

Question 55

For every dozen donuts costs 45 SAR. How many donuts will you have if you paid for 90 SAR?

Accepted Answer

24 donuts

Answer

30 donuts

Answer

15 donuts

Answer

36 donuts

Question 56

Alex and Bobby want to know who can run faster. The table shows Alex's total miles traveled over time, while the graph shows Bobby's.

Who runs faster?

Accepted Answer

Alex

Answer

Bobby

Answer

Both of them have the same speed.

Question 57

Car A can travel for 414 kilometers in 23 seconds while Car B travels 374 kilometers in 17 seconds. Which car is traveling faster?

Accepted Answer

Car B

Answer

Car A

Answer

Both of them have the same speed.

Question 58

A car can travel for 414 kilometers in 23 seconds. What is the speed of the car per second?

Accepted Answer

18 km per second

Answer

22 km per second

Answer

16 km per second

Answer

27 km per second

Question 59

For every dozen donuts costs 45 SAR. Which equation represents the total cost, y, and the number of donuts, x.

Accepted Answer

$$y=3.75x$$

Answer

$$y=5x$$

Answer

$$y=45\div12$$

Answer

$$y=4.5x$$

Question 60

Ana can type 36 words in $$\frac{2}{3}$$ minute. How many minutes will it take him to type 162 words?

Accepted Answer

3 minutes

Answer

6 minutes

Answer

2 minutes

Answer

5 minutes

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