Pre-Algebra

8. Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is square root 20 feet long, which piece of glass should he cut to have the least amount of unused glass?

3 feet
5 feet
6 feet
7 feet

9. If the sail of a ship is 10 feet long and has a diagonal length of 26 feet, what is the height of the sail, in feet?

29
24
17
8

10. Four students work to find an estimate for square root of 27. Who is closest to finding the true estimate?

Chelsey: “use square root of 16 and square root of 25 to estimate”
Carley: “it should be between square root of 25 and square root of 36”
Jamie “i use square root of 36 and square root of 49”
Christine: “try square root of 49and square root of 64”

11. Which of these nonterminating decimals can be converted into a rational number?

0.818118111...
0.020304050...
0.010110111...
0.321321321...

12. Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall?

11 feet
29 feet
42 feet
58 feet

13. Robbie draws a square with an area of 856 square inches. What is the approximate length, in inches, if one side if the square?

30
29
26
24

14. Which statement is true?

Every rational number is a square root.
Every irrational number is a fraction.
Every rational number can be written. As a fraction.
Every square root can be written as a whole number.

8. 6 feet
9. 24
10. Christine
11. 0.321321321...
12. 11 feet
13. 24
14. Every square root can be written as a whole number.

Am i correct?

  1. 👍 0
  2. 👎 0
  3. 👁 2,674
  1. You fail miserably, guessing is silly.

    1. 👍 0
    2. 👎 26
    👨‍🏫
    bobpursley
  2. I did not guess. But I guess you can assume whatever tf you want.

    1. 👍 24
    2. 👎 0
  3. I asked for help not be judged.

    1. 👍 18
    2. 👎 0
  4. 8. no

    9. yes

    10. no

    11. yes

    12. yes

    13. no

    14. no

    1. 👍 1
    2. 👎 0
  5. I got 11/12.
    Answers are:
    3: B
    4: C
    5: D
    6: D
    7: C
    8: B
    9: B
    10: B
    11: D
    12:A
    13: B
    14: it is either A or C. I got this one wrong.

    15-19 you have to do yourself.

    1. 👍 0
    2. 👎 5
  6. Is that for these question ones of different ones because my questions are different.

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  7. Is lelolel’s answers right?

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    2. 👎 1
  8. for CA unit 4 lesson 11 the answers are
    3 D
    4 B
    5 C
    6 C
    7 C
    8 B
    9 B
    10 B
    11 C
    12 A
    13 C
    14 C
    plz use these to check not to cheat

    1. 👍 6
    2. 👎 3
  9. random person is very helpful this is my worse subject, but he helps

    1. 👍 3
    2. 👎 0
  10. answers are right from the person up their

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    2. 👎 1
  11. unless the question/letter order changed, you are both wrong on number 5. 66 is not a perfect cube, however 27 is. If the answer placement changed, my mistake. If not, >:(

    1. 👍 0
    2. 👎 0

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