Interactive multiple-choice quiz: الوحدة الأولى ريفيل: Proportional Relationships

A

$3\frac{1}{3}$ mph

B

$5\frac{2}{3}$ mph

C

$7\frac{1}{2}$ mph

D

$8\frac{1}{3}$ mph

A

3 1/3 mph

B

5 2/3 mph

C

7 1/2 mph

D

8 1/3 mph

A

7/12 gal/min

B

1 5/16 gal/min

C

1 3/4 gal/min

D

2 1/3 gal/min

A

Madison, taking 42.5 minutes

B

Baydan, taking 48.9 minutes

C

Lakeisha, taking 41 1/7 minutes

D

All of them finished at the exact same time

A

54 miles

B

60 miles

C

64 miles

D

72 miles

A

9/50 mile

B

9/2 miles

C

4 1/2 miles

D

10/45 mile

A

115.2 miles

B

124.8 miles

C

135 miles

D

140 miles

A

24 apps

B

32 apps

C

40 apps

D

48 apps

A

5/12 foot

B

5/9 foot

C

20/27 foot

D

9/12 foot

A

1/20 mile

B

1/5 mile

C

2/5 mile

D

1/2 mile

A

3/5 mile

B

3/20 mile

C

9/100 mile

D

1/20 mile

A

Yes; Marcus maintained the 1 part vinegar to 4 parts water ratio.

B

No; Marcus used too much water compared with the original recipe.

C

No; Marcus used equal parts vinegar and water.

D

Yes; Marcus used double the amount of vinegar required.

A

No; the first type gives 25 yards per dollar and the second gives 30 yards per dollar, so the ratios are not equivalent.

B

Yes; both types have exactly the same unit price per yard.

C

No; the second type is cheaper, so they form a proportional relationship.

D

Yes; the ratios are equivalent because both cost less than $10.

A

4.5 cups

B

24 cups

C

48 cups

D

72 cups

A

Yes; both have a ratio of 3:1.

B

No; one ratio is 3:1 and the other is 6:2.

C

Yes; both have equal quantities.

D

No; the amounts are too small.

A

Yes; both have a ratio of 2:3.

B

No; one ratio is 2:3 and the other is 3:4.

C

Yes; both use more red than yellow.

D

No; the total amount is less than 10 cups.

A

No; one ratio is 35:1000 and the other is 1:200.

B

Yes; both have a ratio of 7:200.

C

Yes; both ratios simplify to 1:10.

D

No; the units must be gallons.

A

No; one moves 4 feet per second and the other moves 5 feet per second.

B

Yes; both have a ratio of 4 feet to 1 second.

C

Yes; both move 12 feet in total.

D

No; the times are different.

A

Yes; both move at 4 centimeters per year.

B

No; one rate is 4 centimeters per year and the other is 3 centimeters per year.

C

Yes; both move less than 50 centimeters.

D

No; tectonic plates do not move at constant rates.

A

Yes; both grow at the same rate.

B

No; one rate is 1/2 inch per month and the other is 1/3 inch per month.

C

Yes; both grow 4 inches in a year.

D

No; one is measured in months and the other in years.

A

Yes; the ratios are equivalent.

B

No; the ratios are different for each day.

C

No; water consumption cannot be proportional to time.

D

Yes; the elephant drinks a constant amount only for the first two days.

A

No; the ratios 2/150, 4/320, and 6/580 are not equivalent.

B

Yes; the ratios of laps to time are equivalent.

C

No; Maria ran at a perfectly constant speed.

D

Yes; the time increases by a steady amount for each lap.

A

12 guests for 99.00 and 6 guests for49.50

B

8 guests for 52.00 and 15 guests for97.50

C

12 guests for 99.00 and 15 guests for97.50

D

8 guests for 52.00 and 6 guests for49.50

A

Allie: 17 per hour; Ben:12 per hour; Sri: $16 per hour

B

Allie: 12 per hour; Ben:17 per hour; Sri: $16 per hour

C

Allie: 17 per hour; Ben:16 per hour; Sri: $12 per hour

D

Allie: 16 per hour; Ben:12 per hour; Sri: $17 per hour

A

Fit Plus; $180

B

Basic; $240

C

Fit Extreme; $105

D

Basic; $120

A

Yes; the ratios are equal and the unit rate is $2.50 per lunch.

B

No; the ratios are not equal.

C

Yes; the total cost is constant.

D

No; the cost per lunch increases over time.

A

No; the ratios are different.

B

Yes; the ratios are equal and the unit rate is 1.5 blocks per minute.

C

Yes; Anna walks at 2 blocks per minute.

D

No; time does not change proportionally.

A

Yes; the ratios are equivalent.

B

Yes; cost is proportional to hours.

C

No; the ratios between cost and hours are not equal.

D

No; there is no hourly charge.

A

Yes; savings are proportional to weeks.

B

No; the ratios between savings and weeks are not equal.

C

Yes; the initial amount does not affect proportionality.

D

No; Jean is withdrawing money instead of depositing.

A

3.1

B

0.50

C

1.75

D

2.1

A

3.1

B

4/7

C

1.75

D

2.1

A

3.1

B

0.50

C

1.75

D

2.1

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

The relationship is proportional because the points form a straight line through the origin.

B

The relationship is not proportional because the line does not pass through the origin.

C

The relationship is proportional only when there is exactly one snack.

D

The relationship is nonlinear and does not form a straight line.

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

The relationship is proportional because the graph forms a straight line.

B

The relationship is nonproportional because the graph is a straight line that does not pass through the origin.

C

The relationship is proportional because the balance increases by $2 each week.

D

The relationship is nonproportional because the points do not form a straight line.

A

10

B

20

C

30

D

40

A

Briana saves $10 each week.

B

Briana saves $20 each week.

C

Briana saves $30 each week.

D

Briana saves $40 each week.

A

The unit rate is 0.5; the cost is 1 for 2 ounces and2 for 4 ounces.

B

The unit rate is 1; the cost is 1.50 for 1 ounce and2 for 1 ounce.

C

The unit rate is 0; the cost is 1 for 2 ounces and2 for 4 ounces.

D

The unit rate is 0.5; the cost is 1.50 for 1 ounce and2 for 1 ounce.

A

1

B

(1, 3)

C

(3, 1)

D

3

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

5

B

10

C

15

D

20

A

Zero slices cost 0, and one slice costs2.

B

One slice costs 0, and two slices cost1.

C

The first point represents free pizza, and the second represents the tax rate.

D

The first point represents a starting fee, and the second represents a delivery unit rate.

A

190

B

195

C

185

D

199

A

The airplane travels 390 miles per hour.

B

The airplane travels 1 mile per 4 hours.

C

The airplane travels 1 mile per 585 hours.

D

The airplane travels 195 miles per hour.

A

y = 30x

B

y = 40x

C

y = 54x

D

y = 50x

A

y = x

B

y = 10x

C

y = 1000x

D

y = 100x

A

1000 minutes

B

1100 minutes

C

1200 minutes

D

1300 minutes

A

25 km

B

30 km

C

25 cm

D

30 cm

A

4.75; Liv earns4.75 for each bracelet she sells.

B

9.50; Liv earns9.50 for each bracelet.

C

2; Liv sells 2 bracelets per hour.

D

4.75; Liv spends4.75 per bracelet.

A

3; it takes John 3 minutes to run 1 mile.

B

25.5; John runs 25.5 miles per minute.

C

8.5; it takes John 8.5 minutes to run 1 mile.

D

8.5; John runs 8.5 miles per minute.

A

y = 1.8x

B

y = 15x

C

y = 18x

D

y = 1.5x

A

y = 1.8x

B

y = 15x

C

y = 18x

D

y = 1.5x

A

y = 1.75x; 10 1/2 cups

B

y = 2.25x; 12 cups

C

y = 1.25x; 7 1/2 cups

D

y = 4x; 24 cups

A

y = 2x; 14 yards

B

y = 2 1/4x; 15 3/4 yards

C

y = 3 1/2x; 24 1/2 yards

D

y = 6 3/4x; 20 yards

A

$109.00

B

$20.28

C

$108.00

D

$108.79

A

$109.00

B

$20.28

C

$108.00

D

$108.79

A

200 boys

B

210 boys

C

207 boys

D

205 boys

A

105 girls

B

6.25 girls

C

177 girls

D

75 girls

A

105 minutes

B

6.25 minutes

C

177 minutes

D

19.2 minutes

A

105 pieces

B

6.25 pieces

C

177 pieces

D

75 pieces

A

105 students

B

6.25 students

C

177 students

D

75 students

A

105 minutes

B

6.25 minutes

C

177 minutes

D

19.2 minutes