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1.
If a number is not a rational number, then it is _____. (1 point)

an integer
an irrational number
a whole number

2.
A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point)

21
15
8
6

3.
Which number is a perfect cube? (1 point)

7
25
27
66

4.
When adding square root 9 and – 7, which type of number is the sum? (1 point)

irrational
whole number
integer

5.
What is square root 36 over 49? (1 point)

18 over 25
20 over 27
6 over 7
8 over 9

6.
Tomas needs to cut a piece of wood for a model airplane he is building. He has four pieces of wood: 5 feet, 4 feet, 6 feet, and 3 feet long. If the length of wood he needs to cut is square root 11 feet long, which piece of wood should he cut to have the least amount of unused wood? (1 point)

3 feet
4 feet
5 feet
6 feet

7.
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? (1 point)

29
24
17
8

1. irrational
2. 15
3. 25
4. whole number
5. 6/7
6. 4 feet
7.

1. I don't know.

2. Right.

3. Wrong.

4. I don't know.

5. I don't know.

6. Right.

3. 27

Yes. 3. is 27.

thx

#1 is right

1. irrational
..
4. √9 - 7
= 3-7
= -4 , which is an integer
If you meant √(9-7) = √2 which is irrational

5. According to the choices you must mean
√36/√49 = 6/7

7. x^2 + 10^2 = 26^
x^2 = 676-100
x^2 = 576
x = 24