Quiz about Review for Final 7

Question 1

If x = 2 and y = 3, what is the value of 3xy³?

Accepted Answer

162

Answer

5832

Answer

54

Answer

27

Question 2

Solve the equation. Check your solution.

Accepted Answer

24

Answer

¹⁴⁷/₈ or 18³/₈

Answer

168

Answer

-24

Question 3

Which equation has x=9 as a solution

Accepted Answer

5x = 45

Answer

4 + x = 12

Answer

2x = 20

Answer

x + 7 = 26

Question 4

Solve the equation. Check your answer.
-2.5b = 20.5

Accepted Answer

-8.2

Answer

8.2

Answer

-0.12

Answer

0.12

Question 5

Write an equation models the following statement:
17 less than h equals 42

Accepted Answer

h-17=42

Answer

17-h=42

Answer

h+17=42

Answer

17+h=42

Question 6

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

Accepted Answer

$25 per hour

Answer

$50 per hour

Answer

$12 per hour

Answer

$192 per hour

Question 7

You're throwing a party, and you ordered 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

Accepted Answer

$6.50 per pizza

Answer

$4.95 per pizza

Answer

$5.75 per pizza

Question 8

What is the unit rate in miles per hour?

Accepted Answer

60 miles per hour

Answer

120 miles per hours

Answer

1 mile per hour

Answer

180 miles per hours

Question 9

It snowed 14 inches in 5 hours. What is the unit rate?

Accepted Answer

2.8 inches

Answer

3 inches

Answer

5 inches

Question 10

A pump moves 42 gallons in 7 minutes. Find the unit rate.

Accepted Answer

6

Answer

5

Answer

7

Answer

8

Question 11

Which equation represents a proportional relationship?

Accepted Answer

y = x/2

Answer

y = 10 + x

Answer

y = 14 - x

Answer

y = 5x + 8

Question 12

A proportional graph is a straight line through the...

Accepted Answer

origin.

Answer

oreo

Answer

oregon

Answer

potato

Question 13

Does this table represent a proportional relationship?

Accepted Answer

No - there is not a constant of proportionality

Answer

Yes - there is a constant of proportionality

Question 14

Select all graphs that represent proportional relationships.

Accepted Answer

Option A is correct

Accepted Answer

Option B is correct

Question 15

The distance a jet aircraft flies has a proportional relationship with its number of hours in flight. The table shows the number of miles flown for a number of hours in flight. What is the unit rate?

Accepted Answer

430

Answer

860

Answer

215

Answer

86

Question 16

Simplify this expression (using the distributive property)

$$2\left(q+5\right)$$

Accepted Answer

$$2q+10$$

Answer

$$2q+7$$

Answer

$$2+q+5$$

Answer

$$2q-5$$

Question 17

Simplify the expression: -5(x + 4)

Accepted Answer

-5x - 20

Answer

5x + 4

Answer

-5x + 4

Answer

-5x + 20

Question 18

Simplify the expression: 2x + 1 + 7x

Accepted Answer

9x + 1

Answer

10x

Answer

10

Answer

9 + 1x

Question 19

Simplify the following expression:
19 - ( 3 - 5b)

Accepted Answer

16 + 5b

Answer

21 + 5b

Answer

16 - 5b

Answer

21 - 5b

Question 20

Which represents the absolute value of 10?

Accepted Answer

10

Answer

-10

Answer

-1/10

Answer

11

Question 21

Which has the same absolute value as -55?

Accepted Answer

55

Answer

0

Answer

-1

Answer

1

Question 22

the radius of the circle is 22 cm, what is the circles diameter?

Accepted Answer

44 cm

Answer

11 cm

Answer

22 cm

Answer

7 cm

Question 23

the ratio of a circles circumference to its diameter

Accepted Answer

pi

Answer

area

Answer

circumference

Answer

radius

Question 24

The distance around a circle

Accepted Answer

circumference

Answer

area

Answer

diameter

Answer

radius

Question 25

Find the radius of the circle

Accepted Answer

10 ft

Answer

20 ft

Answer

5.5 ft

Answer

10

Question 26

A circle has a diameter of 8cm. Find the circumference of the circle.

Accepted Answer

25.12 cm

Answer

4 cm

Answer

16 cm

Answer

None of the above

Question 27

What property is this?

(2 x 3) x 4 = 2 x (3 x 4)

Accepted Answer

Associative of x

Answer

Associative of +

Answer

Commutattive of x

Answer

Distributive

Question 28

Combine like terms to find the perimeter of the trapezoid. Write your final answer in simplest form.

Accepted Answer

<math><semantics><mrow><mn>15</mn><mi>x</mi><mo>+</mo><mn>8</mn><mi>y</mi></mrow><annotation encoding="application/x-tex">15x+8y</annotation></semantics></math>15x+8y

Answer

<math><semantics><mrow><mn>15</mn><mi>x</mi></mrow><annotation encoding="application/x-tex">15x</annotation></semantics></math>15x

Answer

<math><semantics><mrow><mn>8</mn><mi>y</mi></mrow><annotation encoding="application/x-tex">8y</annotation></semantics></math>8y

Answer

<math><semantics><mrow><mn>23</mn><mi>x</mi><mi>y</mi></mrow><annotation encoding="application/x-tex">23xy</annotation></semantics></math>23xy

Question 29

Which of the following algebraic expressions best represents the perimeter of the given polygon?

Accepted Answer

3x + 10

Answer

3x + 24

Answer

2x + 10

Answer

3x + 2

Question 30

find the area of the circle below.

Accepted Answer

28.26 cm

Answer

100 cm

Answer

225 cm

Answer

9 cm

Question 31

If the sales tax in your city is 9.8%, and an item costs $77 before tax, how much tax would you pay on that item?

Accepted Answer

$7.55

Answer

$7.54

Answer

$7.00

Answer

$7.50

Question 32

How much tax would you pay on a new TV that is $899 at Best Buy, if the tax rate is 6.5%?

Accepted Answer

$58.43

Answer

$957.43

Answer

$841

Answer

$584.35

Question 33

A customer's lunch cost $7.52. If the customer wants to leave an 18% tip, what will the tip be?

Accepted Answer

$1.35

Answer

$0.18

Answer

$8.87

Answer

$1.80

Question 34

How much would a new iPhone 12 cost total if it's $649.00 and there's a 7% tax rate?

Accepted Answer

$694.43

Answer

$45.43

Answer

$649.07

Answer

$603.57

Question 35

Find the price of a book for $49.95 with 3% tax

Accepted Answer

$51.45

Answer

$51.44

Answer

$48.45

Answer

$48.46

Question 36

Find the sales tax only. $199.95 ipod; 9% tax

Accepted Answer

$18.00

Answer

$19.95

Answer

$ 217.95

Answer

$179.90

Question 37

Find the total cost. $50 item; $10 coupon off; 10% sales tax

Accepted Answer

$ 44

Answer

$ 45

Answer

$10

Answer

$55

Question 38

Find the total cost. $6.95 book; 6.5% sales tax

Accepted Answer

$7.40

Answer

$0.45

Answer

$6.50

Answer

$7.69

Question 39

Find the tip amount only.  $20 lunch;  20% tip

Accepted Answer

$ 4

Answer

$ .40

Answer

$ 2.00

Answer

$ 24

Question 40

What is the name of the 3D figure?

Accepted Answer

Rectangular Pyramid

Answer

Rectangular Prism

Answer

Triangular Prism

Answer

Triangular Pyramid

Question 41

What 3D solid does this net create?

Accepted Answer

Triangular Prism

Answer

Triangular Pyramid

Answer

Rectangular Pyramid

Answer

Square Prism

Question 42

The lines of a 3D object are called...

Accepted Answer

edges

Answer

outside

Answer

faces

Answer

vertices

Question 43

What is the name of the 3D figure?

Accepted Answer

Triangular Prism

Answer

Triangular Pyramid

Answer

Rectangular Prism

Answer

Rectangular Pyramid

Question 44

I am a 3D shape and all my faces are rectangles

Accepted Answer

Rectangular Prism

Answer

Rectangular Pyramid

Answer

Square Pyramid

Answer

Square Prism

Question 45

Identify the 3D figure.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 46

What 3D image does this net create?

Accepted Answer

Cylinder

Answer

Cone

Answer

Cube

Answer

Circular Pyramid

Question 47

Sally sorted shapes by what kind of 3D figures they were. Where does this belong?

Accepted Answer

Cylinders

Answer

Cubes

Answer

Cones

Question 48

What 3D solid does this net create?

Accepted Answer

Rectangular Prism

Answer

Rectangular Pyramid

Answer

Cube

Answer

Square Prism

Question 49

What 3D solid does this net create?

Accepted Answer

Triangular Pyramid

Answer

Triangular Prism

Answer

Triangular Sphere

Answer

Triangular Polygon

Question 50

Which inequality matches the graph?

Accepted Answer

x<3

Answer

x>3

Answer

x<3

Answer

x>3

Question 51

Which graph would match the inequality

-6x - 4 > -40

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 52

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 53

Determine whether each pair of ratios forms a proportion

Accepted Answer

Proportion

Answer

Not a Proportion

Question 54

Determine whether each pair of ratios forms a proportion

Accepted Answer

Not a Proportion

Answer

Proportion

Question 55

Solve the proportion.

Accepted Answer

k=5

Answer

k=3.3333333

Answer

k=60

Answer

k=90

Question 56

Solve the proportion.

Accepted Answer

p=308

Answer

p=31.3

Answer

p=924

Answer

p=532

Question 57

If the scale factor is equal to 1, the copy is ________ the original.

Accepted Answer

the same as

Answer

smaller than

Answer

bigger than

Question 58

The two rectangles are scale drawings. What is the measurement of x?

Accepted Answer

20

Answer

21

Answer

1.25

Answer

4

Question 59

What is the scale factor?

Accepted Answer

4

Answer

.25

Answer

5

Answer

6

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