Quiz about 7th grade review

Question 1

3.8 - (-3.3)

Accepted Answer

7.1

Answer

-0.5

Answer

0.5

Answer

-7.1

Question 2

Solve the following equation:
-13.4 - (-1.784) = ?

Accepted Answer

-11.616

Answer

11.616

Answer

15.184

Answer

-15.184

Question 3

A Chicago Cubs baseball cap costs $30.  Michael has a coupon that will save him 30% of the  price. How much money will Michael pay for the cap?

Accepted Answer

$21.00

Answer

$9.00

Answer

$22.00

Answer

$21.36

Question 4

Alex bought a pair of shoes. They cost $65.50. If the tax was 8%, what was the final price of the shoes?

Accepted Answer

$70.74

Answer

$60.26

Answer

$73.50

Answer

$100

Question 5

A TV that normally cost $800 is on sale for 33% off.  There is a 6% sales tax on the purchase.  What is the final cost of the TV?

Accepted Answer

$568.16

Answer

$536.00

Answer

$279.84

Answer

$321.60

Question 6

Mrs. Frost is a real estate agent.  She earns 6% commission on her sales plus $2,000 each month.  Last month her sales totaled $523,250.00.  How much did she earn last month?

Accepted Answer

$33,395.00

Answer

$31,395.00

Answer

$313,950.00

Answer

$333,950.00

Question 7

The number of students in the school went from 1028 down to 755.  What is the percent decrease?

Accepted Answer

27%

Answer

26%

Answer

36%

Answer

136%

Question 8

George estimated that he scored a 75% on his math test.  To his surprise, he actually scored an 87%.  What was his percent error?

Accepted Answer

13.8%

Answer

13.7%

Answer

16%

Answer

86.2%

Question 9

The drawing of the statue is 3.3 inches tall.  This is 15.5% of the real height of the statue.  How tall is the real statue?

Accepted Answer

21.3 feet

Answer

34.7 feet

Answer

0.5 feet

Answer

5.2 feet

Question 10

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

Accepted Answer

20%

Answer

35%

Answer

25%

Answer

30%

Question 11

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 change?

Accepted Answer

11%

Answer

24%

Answer

20%

Answer

50%

Question 12

Alexton the Skeleton borrowed $4,000 for 5 years at 6% simple interest rate to pay for his band equipment. How much interest is that?

Accepted Answer

$1,200

Answer

$800

Answer

$1,000

Answer

$1,500

Question 13

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years?

Accepted Answer

$1392

Answer

$150

Answer

$192

Answer

$1350

Question 14

In 1999, the price of unleaded fuel was $1.09.  In 2015, the price of unleaded fuel is $1.89. What is the percent change?

Accepted Answer

73% increase

Answer

173% increase

Answer

73% decrease

Answer

27% increase

Question 15

Simplify this expression:

-7w + (-6) + 5 + (-9w)

Accepted Answer

-16w - 1

Answer

-2w - 1

Answer

-16w - 11

Answer

-2w + 11

Question 16

Using the GCF, what is the factored form of 18f - 45

Accepted Answer

9(2f - 5)

Answer

3(6f - 15)

Answer

6(3f - 5)

Answer

18(f - 3.5)

Question 17

Factor the expression:

-15x - 35xy

Accepted Answer

-5x(3 + 7y)

Answer

5( -3x + 7xy)

Answer

15( -x - 3y)

Answer

5x(3x + 7y)

Question 18

Simplify the following expression:
-6x + 4(-x - 3)

Accepted Answer

-10x - 12

Answer

-2x - 12

Answer

10x + 12

Answer

-2x + 12

Question 19

Solve 2x - 3 = 1

Accepted Answer

2

Answer

3

Answer

1

Answer

-2

Question 20

Solve    -3x + 5 = -16

Accepted Answer

7

Answer

9

Answer

8

Answer

-7

Question 21

Justin is purchasing a new iPhone.  The sales clerk says that if he pays $100 now his monthly payments will be $25 and his total cost will be $600.  Which equation can be used to determine how many months Justin will be paying for his phone?

Accepted Answer

25x + 100 = 600

Answer

25x - 100 = 600

Answer

600 - 100x = 25

Answer

600 + 25x = 100

Question 22

A gymnastics center charges a $60 registration fee and $15 per class. Olivia registers to take a class and pays a total of $210. Which equation can be used to determine how many classes Olivia signed up for?

Accepted Answer

15x + 60 = 210

Answer

60 - 15x = 210

Answer

15x - 60 = 210

Answer

210 + 15x = 60

Question 23

Jordan's teacher, Mr. Langdon, is eight years younger than five times his age. The sum of their ages is 64. Which equation can be used to find Jordan's age?

Accepted Answer

6x - 8 = 64

Answer

5x - 8 = 64

Answer

4x - 8 = 64

Answer

5x + 8 = 64

Question 24

-3y + 2 > 11

Accepted Answer

y < -3

Answer

y > -3

Answer

y < 3

Answer

y > 3

Question 25

Pick the correct letter for:
6 > x

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 26

Find the volume of this triangular prism.

Accepted Answer

720 cm3

Answer

1440 cm3

Answer

60 cm3

Answer

180 cm3

Question 27

What is the volume of this triangular prism?

Accepted Answer

288 cm3

Answer

576 cm3

Answer

333 cm3

Answer

28 cm3

Question 28

If a rectangular prism's volume is 420cm³. The prism has a length of 12cm, and width of 7cm, what is height of the rectangular prism?

Accepted Answer

5cm

Answer

12cm

Answer

420cm

Answer

84cm

Question 29

Question 29.

Accepted Answer

330 yd3

Answer

55 yd3

Answer

121 yd3

Answer

22 yd3

Question 30

Find the Surface Area

Accepted Answer

556 cm2

Answer

278 cm2

Answer

680 cm2

Answer

340 cm2

Question 31

Find the total surface area of the prism.

Accepted Answer

161 square feet

Answer

1,700 square feet

Answer

75 square feet

Answer

186 square feet

Question 32

What is the area of a circle with the diameter of 10cm ?

Accepted Answer

78.5cm

Answer

66cm

Answer

66.5cm

Answer

10m

Question 33

what is the area of this semicircle ?
d = 8 cm

Accepted Answer

25.12 cm2

Answer

100.48 cm²

Answer

80 cm2

Answer

200.96 cm²

Question 34

What is the area of the arrow?

Accepted Answer

61 in2

Answer

17 in2

Answer

40 in2

Answer

52 in2

Question 35

To promote recycling, the ground of the neighborhood sandbox is being covered with shredded tires . The sandbox will not be covered.
What is the area of the shredded tire portion of the playground?

Accepted Answer

3150 feet²

Answer

3600 feet²

Answer

450 feet2

Answer

1342 feet²

Question 36

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

Accepted Answer

9

Answer

5

Answer

6

Answer

11

Question 37

Find the range.
5, 15, 10, 20, 15, 10, 15

Accepted Answer

15

Answer

5

Answer

10

Answer

13

Question 38

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile of the data?

Accepted Answer

40

Answer

37

Answer

38

Answer

46

Question 39

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

Accepted Answer

13

Answer

8

Answer

9

Answer

21

Question 40

What is the Mean Absolute Deviation (M.A.D.) for this data?

14, 19, 26, 27, 39

Accepted Answer

6.8

Answer

125

Answer

25

Answer

34

Question 41

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails?

Accepted Answer

1/13

Answer

17/26

Answer

5/13

Answer

5/26

Question 42

Jacob's piggy bank has 18 quarters, 20 dimes, 24 nickels, and 43 pennies. He chooses a coin, does not replace it, then chooses another. What is the probability that he chose a dime then a nickel?

Accepted Answer

4/91

Answer

9/52

Answer

44/105

Answer

11/26

Question 43

How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

Accepted Answer

80

Answer

15

Answer

40

Answer

10

7th grade review

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