Quiz about 6.1-6.3 ratios, proportions, similar polygons

Question 1

You earn $15 every 3 weeks. At this rate, how much will you earn in 5 weeks?

Accepted Answer

$25

Answer

$35

Answer

$5

Answer

$10

Question 2

Solve the proportion.

Accepted Answer

3

Answer

18

Answer

2

Answer

9

Question 3

Solve the proportion.

Accepted Answer

11

Answer

20

Answer

7

Answer

22

Question 4

Solve the proportion.

Accepted Answer

2

Answer

-5

Answer

7

Answer

6

Question 5

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

Accepted Answer

5:6

Answer

6:5

Answer

6:11

Answer

6:11

Question 6

What is the ratio of circles to squares?

Accepted Answer

2:1

Answer

3:1

Answer

1:2

Answer

5:3

Question 7

Two objects that are the same shape but not the same size are _______.

Accepted Answer

Similar

Answer

Congruent

Answer

Vertical

Answer

Complementary

Question 8

Solve for x. The two figures are similar.

Accepted Answer

x = 9

Answer

x = 6

Answer

x = 7

Answer

x = `0

Question 9

What side corresponds with AB?

Accepted Answer

DE

Answer

BC

Answer

FE

Answer

FD

Question 10

Find x and y.

Accepted Answer

9, 12

Answer

4, 24

Answer

6, 8

Question 11

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

Accepted Answer

3:5

Answer

2:5

Answer

5:3

Answer

2:3

Question 12

Are the following similar? Why or why not?

Accepted Answer

No, the ratios of the corresponding sides are not equal.

Answer

Yes

Answer

No, the corresponding angles are not equal.

Question 13

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

Accepted Answer

proportional, congruent

Answer

congruent, proportional

Answer

congruent, congruent

Answer

proportional, proportional

Question 14

Are the triangles similar? Explain.

Accepted Answer

No, because only one angle of the triangles is congruent.

Answer

Yes, because two of the angles are congruent.

Answer

No, because only one triangle has a right angle.

Answer

Not enough information to determine.

Question 15

Solve for x.

Accepted Answer

18

Answer

12

Answer

9

Answer

36

Question 16

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

Accepted Answer

2.5 cups milk

Answer

1.75 cups milk

Answer

2 cups flour

Answer

2.25 cups milk

Question 17

Solve for b

Accepted Answer

8

Answer

17/12

Answer

4/3

Answer

1/8

Question 18

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

Accepted Answer

p/12=75/100

Answer

p/12=100/75

Answer

p/100=12/75

Answer

p/75=12/100

Question 19

The measures of the angles in a triangle are in the extended ratio of 4:3:2.  What is the measure of the largest angle?

Accepted Answer

80 degrees

Answer

20 degrees

Answer

60 degrees

Answer

90 degrees

Question 20

Solve the proportion.

Accepted Answer

-3 or 4

Answer

-3 or -4

Answer

3 or 4

Answer

3 or -4

Question 21

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

Accepted Answer

5 feet

Answer

720 feet

Answer

5 inches

Answer

72 feet

Question 22

You know 16 cups = 1 gallon. Convert 3.5 gallons into cups.

Accepted Answer

56 cups

Answer

0.21875 cups

Answer

19.5 cups

Answer

48 cups

Question 23

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80? (Hint: find the unit rate of both)

Accepted Answer

The 12 pack of Coke

Answer

The 6 pack of Coke

Answer

Neither

Answer

They are the same

Question 24

1 Pint = 2 Cups
How many pints are in 16 cups?

Accepted Answer

8 pints

Answer

4 pints

Answer

32 pints

Answer

12 pints

Question 25

Ms. Martinez bought 36 pint sized containers of strawberry yogurt. How many gallons is that? (Hint: 1 gallon = 8 pints)

Accepted Answer

4.5gal

Answer

4gal

Answer

9gal

Answer

40gal

Question 26

1 year = ____ weeks

Accepted Answer

52

Answer

60

Answer

56

Answer

45

Question 27

7 feet = ___ inches

Accepted Answer

84 inches

Answer

144 inches

Answer

49 inches

Answer

19 inches

Question 28

42in = ____ft

Accepted Answer

3.5 ft

Answer

3 ft

Answer

3.6 ft

Answer

504 ft

Question 29

68 cm = ___________ mm

Accepted Answer

680

Answer

0.68

Answer

6.8

Answer

68

Question 30

330 cm = ___________ m

Accepted Answer

3.3

Answer

3,300

Answer

33

Answer

0.33

Question 31

10 yards = _______ feet

Accepted Answer

30

Answer

360

Answer

3 1/2

Answer

120

Question 32

If the angles of a triangle are in a 2:3:5 ratio, what is the measure of the smallest angles?

Accepted Answer

36o

Answer

90o

Answer

54o

Answer

18o

Question 33

Do the ratios form a proportion?

Accepted Answer

No, they do not form a proportion.

Answer

Yes, they form a proportion.

Question 34

Regan earned a grade of 80% on a math test that had 30 problems. How many problems on this test did she answer correctly?

Accepted Answer

24 problems

Answer

17 problems

Answer

20 problems

Answer

18 problems

Question 35

12 ounce shampoo bottle lasts Juan 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

Accepted Answer

24 weeks

Answer

6 weeks

Answer

30 weeks

Answer

20 weeks

Question 36

What is geometric mean of 4 and 9?

Accepted Answer

6

Answer

5

Answer

7

Answer

8

6.1-6.3 ratios, proportions, similar polygons

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