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March 29, 2015

March 29, 2015

Posted by **Kaylee** on Wednesday, November 7, 2012 at 3:02pm.

Sr = SQUARE ROOT

1. What is the solution to -75 sr to the nearest integer? (1 point)

9

8

-8

-9

2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? (1 point)

1 foot

2 feet

3 feet

4 feet

3. Which of these numbers can be classified as irrational? (1 point)

1/2

16 sr

0.73737373 . . .

0.87546201023 . . .

4. Which of these nonterminating decimals can be converted into a rational number? (1 point)

0.874387438743 . . .

0.0000100020003 . . .

5.891420975 . . .

10.07401259 . . .

5. An example of a rational number is____. (1 point)

-16 sr

27 sr

-2 sr

57 sr

6. If point A is located at (0, –8) and B is located at (4,–5), what is the distance between them? (1 point)

5

6

7

8

7. Which two square roots are used to estimate 67 sr? (1 point)

36 sr and 49 sr

49 sr and 64 sr

64 sr and 81 sr

81 sr and 100 sr

8. An estimate for 14 sr is _____. (1 point)

3.1

3.2

3.7

4.2

9. Jaquie is digging a square area in her backyard for a vegetable garden. If the area is 224 square feet, what is the approximate length in feet of one side of her garden? Round to the nearest integer. (1 point)

15

14

13

12

10. Four students worked to find an estimate for 22 sr . Who is closest to finding the true estimate? (1 point)

Tiffany: "Use 16 sr and 25 sr to estimate."

Todd: "I use 9 sr and 16 sr ."

Trenton: "It should be 21 sr and 23 sr ."

Fredrica: "Use 25 sr and 26 sr to get the estimate."

11. Johanna carves a square block of wood that has on one side an area of 872 square inches. To the nearest integer, what is the length of the side? (1 point)

30

28

26

24

12. An example of an irrational number is _____. (1 point)

Sr 16

Sr 25

Sr 36

Sr 47

13. Which point is located on the x-axis? (1 point)

(-1,-1)

(-4,0)

(0,5)

(3,3)

14. If a right triangle has one of leg measuring 27 inches and one leg measuring 23 inches, what is the length of the hypotenuse to the nearest inch? (1 point)

36

14

3

2

15. The description of a TV is based upon the diagonal length. If the height of a TV is 24 inches and the width is 32 inches, what is the TV’s diagonal length? (1 point)

3

4

21

40

16. Amelia hikes 12 miles due east and then 5 miles due north. What is the shortest distance in miles back to where she began? (1 point)

13

11

6

4

17. Which set represents a Pythagorean triple? (1 point)

1, 2, 3

9, 12, 16

30, 40, 50

38, 44, 49

18. Which set represent a Pythagorean triple? (1 point)

60, 70, 100

18, 24, 30

10, 14, 17

10, 20, 30

19. The distance from Leon’s home to the library is 2.3 miles. After he visits the library, he heads north 3.7 miles to the grocery store. In miles, what is the direct distance between Leon’s home and the grocery store? (1 point)

1.4

2.9

3.1

4.4

- Math -
**Steve**, Wednesday, November 7, 2012 at 3:13pm#1. since 8^2 = 64 and 9^2 = 81,

√75 is between 8 and 9. Closer to 9. So, -√75 = -9

#3. As written, it appears that only the 4th one is a candidate, since the others are definitely rational. (Repeating decimals are rational)

These problems are of only 3 or 4 types. How far do you get before being stuck? It's not clear just what help you need.

Homework dumps are generally not appreciated here.

- Math -
**Anonymous**, Friday, October 24, 2014 at 2:17pmwhat are the answers

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