njask 8 review good luck!. find the greatest common factor 150v 2 x 2 and 600v 4 x answer: 150v 2 x

NJASK 8 Review

GOOD LUCK!

Find the Greatest Common Factor

150v2x2 and 600v4x

Answer: 150v2x

Find each of the missing measures if a = leg, b = leg and c = hypotenuse

of a right triangle

a = 18, c = 27, and b = ?

• Answer: 20.12


of a right triangle

b = 14, c = 21, and a =?

• Answer: 15.65

Express each fraction as a percent

4

9

• Answer: 225%

Express each decimal as a percent

0.205

• Answer: 20.5%

Express each decimal as a percent

1.076

• Answer: 107.6%


16

5

• Answer: 31.25%


4

7

• Answer: 175%

Evaluate Expression if… p = 1, m = 6, r = 2, y = 3,

and z =5

p2m2r

• Answer: 72

Express each percent as a fraction

65%

• Answer: 13/20

Find the Least Common Multiple

12h2 and 28

• Answer: 84h2


and z = 5

2zy2

• Answer: 90

Express each percent as a fraction

8 1/8%

• Answer: 65/800 = 13/160

Express each percent as a decimal

14.6%

• Answer: 0.146

Find the total price of each item

Jacket: $125.00 Tax: 5.5%

• Answer: $131.88


and z = 5

(ry)p2z

Answer: 30

Solve

Find 15% of 400

• Answer: 60

Solve

What number is 50% of 96?

• Answer: 48

Find the Greatest Common Factor

280a5c4b2 and 320a3b4

Answer: 40a3b2

Solve

24 is what percent of 32?

• Answer: 75%

Solve

60 is 75% of what number?

• Answer: 80

Solve

125% of what number is 15?

• Answer: 12

Find the Square Root

324

• Answer: -18

Find the Square Root

400

• Answer: 20

Find the best integer estimate

40

• Answer: -6


55

• Answer: -7


01.15

• Answer: 4

Name the sets of numbers to which the following belong

6

• Answer: Irrational and Real

State whether the number is divisible by 2,3,4,5,6, or 10

888

Answer: 2, 3, 4, 6


and z = 5

p2(ry)2

• Answer: 36


49

• Answer: Integer, Rational, and Real


3

10

• Answer: Rational and Real

Factor Completely

400xy3

Answer: 24 * 52 * xy3


96.2

• Answer: Rational and Real


3

15

• Answer: Natural, Whole, Integer, Rational, and Real

Express in Scientific Notation

42,500,000

Answer: 4.25 x 107


5.10• Answer: Rational and Real


...32569.65



85


Find the Least Common Denominator

310

3

4

3

xandx

• Answer: 20x3


0.001768

Answer: 1.768 x 10-3


-9

• Answer: Integer, Rational and Real

Solve each equation and round decimal answers

to the nearest tenth

m2 = 20

• Answer: 4.5 and – 4.5 (must have both)


260,700,000

Answer: 2.607 x 108



d2 = 140

• Answer: 11.8 and -11.8 (must have both)



a2 = 2500

• Answer: 50 and -50 (must have both)

Solve

2 is what percent of 125?

• Answer: 1.6%


0.0045 x 106

• Answer: 4.5 x 103


Television: $375.00Discount: 25%

Tax: 6%

• Answer: $298.13


DVD Player: $269.00Discount: 20%

Tax: 7%

• Answer: $230.26


Luggage: $185.00Discount: 30%

• Answer: $129.50

Express in Standard Notation

1.68 x 106

Answer: 1,680,000

Find the percent of change

Original: 18New: 10

• Answer: 44% decrease

Find the percent of change

Original: 58.8New: 65.7

• Answer: 12% increase

Write the fraction as a decimal

• Answer: 8.3125

32

108

Write the fraction as a decimal

16

9

• Answer: -0.5625

Write < or > in each blank to make it a true sentence

9

7___7

6

• Answer: >


72

Answer: 2, 3, 4, 6


27

5

8

3

xandx

• Answer: 56x2

Write < or > in each blank to make it a true sentence

6

5___5

4

• Answer: <


20

17

• Answer: 85%


of a right triangle

a = 24, b = 45, and c = ?

• Answer: 51

Determine whether the following side measures form a

right triangle

11,18,21

• Answer: No


70

Answer: 2, 5, 10


right triangle

7,24,25

• Answer: Yes

Express in Standard Notation

3.547 x 10-4

Answer: 0.0003547


right triangle

18, 30, 24

• Answer: Yes ( make sure you use the highest number for “c”)


9

4

6

5and

• Answer: 18


right triangle

39,15,36

• Answer: Yes

Solve the following word problem

If a television screen measures 24 inches high

and 18 inches wide, what size television is it?

• Answer: 30 inch

Factor Completely

750yz

• Answer: 2 * 3 * 53yz

Write each power as the product of the same factor

(y + 2)4

• Answer: (y + 2)(y + 2)(y + 2)(y +2)

Solve the following word problem

Sally bought a 35 inch TV, the width is 28 inches. Find the

height of the TV.

• Answer: 21 inches

Solve

A certain number is multiplied by four and then 12 is added to the

result. The final answer is 36. Find the number.

• Answer: 6

Find the Least Common Multiple

15k and 35k2

• Answer: 105k2

Write as a product using exponents

722555 dddcaa

• Answer: 22 53 7 a2cd3

Solve

Kelly’s mother sent her on two errands. She gave her $5.00. She

spent money on renting a movie and spent half of the change on a gallon of milk. She returned with 97 cents.

How much did the movie cost to rent?

• Answer: $3.06

GREAT JOB

Come back again and see how many you can find the right answers to…

njask 8 review good luck!. find the greatest common factor 150v 2 x 2 and 600v 4 x answer: 150v 2 x

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