Quiz about 13.5 Review-Final

Question 1

Did Sarah make an error? If so, which is the best description of her error?

Accepted Answer

She didn't distribute correctly. The second step should read -3x + 12 = 24

Answer

She didn't distribute correctly. The second step should read 3x - 12 = 24

Answer

She didn't distribute correctly. The second step should read -3x - 12 = 24

Answer

She didn't make an error.

Question 2

Solve for x.

2(x + 15) = -6

Accepted Answer

x = -18

Answer

x = -10.5

Answer

x = 18

Answer

x = 10.5

Question 3

Solve.

Accepted Answer

8

Answer

-8

Answer

-.80

Answer

.08

Question 4

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

Which equation models this situation?

Accepted Answer

y = 2x + 6

Answer

y = 6x + 2

Answer

y = 2x - 6

Answer

y = 6x - 2

Question 5

Solve for X

4(1-x)+3x = -2x-2

Accepted Answer

x= -6

Answer

x= 6

Answer

x= 3

Answer

x= -3

Question 6

At Joe's Clown Car Rental Agency, renting a car costs $35 plus $0.75 for every mile it is driven. Write an equation that represents this situation.

Accepted Answer

y = 0.75x + 35

Answer

y = x(35 + 0.75)

Answer

y = 35x + 0.75

Answer

y = 0.75(x + 35)

Question 7

A 6-ounce package of fruit snacks contains 45 pieces.  How many pieces would you expect in a 10-ounce package?

Accepted Answer

75 pieces

Answer

25 pieces

Answer

35 pieces

Answer

70 pieces

Question 8

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

Accepted Answer

22 wk

Answer

18 wk

Answer

20 wk

Answer

24 wk

Question 9

Solve the proportion.

Accepted Answer

k=5

Answer

k=3.3333333

Answer

k=60

Answer

k=90

Question 10

If Mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?

Accepted Answer

10

Answer

7

Answer

9

Answer

2

Question 11

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 12

The park ranger stocks the children's fishing pond keeping a ratio of 4 sunfish to 3 perch. If he puts 300 sunfish into the pond, how many perch should be put into the pond?

Accepted Answer

225

Answer

400

Answer

425

Answer

525

Question 13

Of Bernie's insect collection, 15 out of 25 are butterflies. Which is not a way to express 15 out of 25?

Accepted Answer

5/3

Answer

3/5

Answer

0.6

Answer

60%

Question 14

9 out of 12 students came to the football game. What % attended?

Accepted Answer

75%

Answer

25%

Answer

50%

Answer

65%

Question 15

Tickets to Disney World are $100. The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

Accepted Answer

20%

Answer

25%

Answer

18%

Answer

50%

Question 16

The Polar Express movie is $13 and it will be on sale for $9. What is the percent of change if the cost decreased $4?

Accepted Answer

31%

Answer

44%

Answer

38%

Answer

69%

Question 17

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

Accepted Answer

11.1%

Answer

10.1%

Answer

9.1%

Answer

90.1%

Question 18

The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________.

Accepted Answer

the amount of money borrowed or deposited

Answer

the percent interest for his year

Answer

the amount taxed

Answer

the amount the bank owes you for being a customer at their bank

Question 19

The simple interest formula is I=Prt.  What does the t represent?

Accepted Answer

Time

Answer

Principle

Answer

Interest

Answer

Percent Rate

Question 20

Emilio has $1200 in his bank account with an 8% simple interest rate. How much interest will he earn at the end of 6 months?

Accepted Answer

$48

Answer

$5760

Answer

$576

Answer

480

Question 21

This is how you annotate a percent problem.

Label = Number/percent(convert to decimal)

Principal = $800

Interest Rate = 3.5% = .035

Time = 6 months=6/12 = .50

Find the interest earned.

Accepted Answer

$14

Answer

$168

Answer

$140

Answer

$16.80

Question 22

If you are calculating the simple interest and you are given the time in months, how can you find the time in years?

Accepted Answer

Divide the months by 12

Answer

Add 12 to the months

Answer

Multiply 12 by the months

Answer

Subtract 12 from the months.

Question 23

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that? Remember your time has to be in YEARS!!  6 months is half of a year or .5

Accepted Answer

$120

Answer

$144

Answer

$1,200

Answer

$1,440

Question 24

Simplify by combining like terms:
5a + 2b - 3a + 4

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 25

Simplify the following expression:
-9(14p - 8) - 4p

Accepted Answer

-130p + 72

Answer

130p - 72

Answer

122p - 72

Answer

-130p - 18

Question 26

n -10 +9n -3=

Accepted Answer

10n -13

Answer

-3

Answer

9n-3

Answer

n

Question 27

Three times the sum of a number and 2.

Accepted Answer

3(e+2)

Answer

3e+2

Answer

3(e-2)

Answer

2e+3

Question 28

Translate this sentence into an equation.

72 is the product of 8 and a Steve's height.

Use the variable h to represent Steve's age.

Accepted Answer

72 = 8h

Answer

72 = 8 + h

Answer

72 = 8 - h

Answer

72 = 8/h

Question 29

When finding the cost of a meal, you have to _____ the amount of the tip to the original amount of the bill.

Accepted Answer

Add

Answer

Divide

Answer

Subtract

Answer

Multiply

Question 30

When an item is being discounted, you have to __________ the amount of the discount from the original item amount.

Accepted Answer

Subtract

Answer

Add

Answer

Multiply

Answer

Divide

Question 31

A store has a sale for 15% off. You want a jacket that was originally $45. How much will your discount be?

Accepted Answer

$6.75

Answer

$51.75

Answer

$38.25

Answer

30.00

Question 32

A store has a sale for 15% off. You want a jacket that was originally $45. How much money will the jacket be on sale?

Accepted Answer

38.75

Answer

6.75

Answer

51.75

Answer

45.00

Question 33

A store has a sale for 25% off. You want a sweater that usually cost $30. How much money will you spend on the sweater?

Accepted Answer

22.50

Answer

30.00

Answer

7.50

Answer

37.50

Question 34

A store is having a 20% off sale so you decide to buy a $15 shirt. How much money will you save due to the discount?

Accepted Answer

3.00

Answer

12.00

Answer

18.00

Answer

4.50

Question 35

A store is having a 20% off sale so you decide to buy a $15 shirt. How much will the shirt cost after the discount?

Accepted Answer

12.00

Answer

18.00

Answer

3.00

Answer

4.50

Question 36

Select all equivalent expressions for the given expression: 36x + 24

Accepted Answer

2(18x + 12)

Accepted Answer

12(3x + 2)

Answer

4(9x + 7)

Answer

4(9x + 8)

Question 37

Which answer choice is equivalent to:

3(2x+8)

Select all that apply.

Accepted Answer

6x+24

Accepted Answer

6(x+4)

Accepted Answer

3x+20+2x+4+x

Answer

6x+8

Answer

5x+11

Question 38

Withdrawal

Accepted Answer

Subtract

Answer

Add

Question 39

Deposit

Accepted Answer

Add

Answer

Subtract

Question 40

I made a deposit of $30. My balance will

Accepted Answer

increase

Answer

decrease

Question 41

I had a balance of $2,492.13 in my account. I made my car payment. My balance will

Accepted Answer

decrease

Answer

increase

Question 42

Which equation matches this model?

Accepted Answer

2x + 4= 10

Answer

7x + 3 = 23

Answer

3x  - 8 = 3

Answer

4x + 3 =9

Question 43

Write the equation for the model. (white square=1 rectangle=x red square = -1)

Accepted Answer

7=x+(-3)

Answer

7=x+3

Answer

7=-x+3

Answer

-7=x-3

Question 44

What operation do these terms mean?

per

each

every

product

Accepted Answer

multiplication

Answer

addition

Answer

subtraction

Answer

division

Question 45

You flip an inequality symbol when you...

Accepted Answer

multiple or divide by a negative number

Answer

subtract

Answer

multiply and divide only

Answer

multiple by a negative number

Question 46

You find a tax, tip, & discount using the same calculations; then you add the tax & tip to and subtract the discount from the subtotal. How do you find a TTD?

Accepted Answer

Multiply the percent(converted to a decimal) and subtotal.

Answer

Add the percent(converted to a decimal) and subtotal.

Answer

Subtract the percent(converted to a decimal) and subtotal.

Answer

Divide the percent(converted to a decimal) and subtotal.

Question 47

Determine the error in this problem.

Check all the mistakes

Accepted Answer

Should have subtracted 4

Accepted Answer

Forgot to bring down the negative with 2x

Accepted Answer

2 divided by 2 is NOT 6

Answer

Should have added 2

13.5 Review-Final

50 questions

Did Sarah make an error? If so, which is the best description of her error?

Solve for x.
2(x + 15) = -6

Solve.

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

Which equation models this situation?

Solve for X
4(1-x)+3x = -2x-2

At Joe's Clown Car Rental Agency, renting a car costs $35 plus $0.75 for every mile it is driven. Write an equation that represents this situation.

A 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?

A shop produces 39 wetsuits every 2 weeks. How long will it take the shop to produce 429 wetsuits?

Solve the proportion.

If Mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?

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13.5 Review-Final

50 questions

Did Sarah make an error? If so, which is the best description of her error?

Solve for x. 2(x + 15) = -6

Solve.

Jacob collects hats. He has 6 hats already, and he collects 2 hats every week.Which equation models this situation?

Solve for X4(1-x)+3x = -2x-2

At Joe's Clown Car Rental Agency, renting a car costs $35 plus $0.75 for every mile it is driven. Write an equation that represents this situation.

A 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?

A shop produces 39 wetsuits every 2 weeks. How long will it take the shop to produce 429 wetsuits?

Solve the proportion.

If Mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Solve for x.
2(x + 15) = -6

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

Which equation models this situation?

Solve for X
4(1-x)+3x = -2x-2