# Pre-Alegebra

3.
If a number is not a rational number, then it is _____. (1 point)

an integer
an irrational number
a whole number

4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden from one corner to the next. What measure is closest to the length of the diagonal walkway?

8 Meters
11 Meters
17 Meters***
23 Meters

5.Which number is a perfect cube?
5
100
125
150
^^^really confused ://

6.When adding sqreroot 25 and -9 which type of number is the sum?
Whole number
Irrational Number
Integer***

7.What is sqaureroot 81/100?
81/100
-9/10
9/10***
8/10

8.Chuck needs to cut a piece of cardboard for an art project at school. He has four pieces of cardboard that he can cut from: 6 inches, 5 inches, 7 inches, and 3 inches. If the length of the cardboard he needs is √35 inches, which piece of cardboard should he cut to create the least amount of unused cardboard?
3 inches
5 inches***
6 inches
7 inches

10.
Four students work to find an estimate for square root 37. Who is closest to finding the true estimate? (1 point)

Rhonda: "Use square root 16 and square root 25 to estimate."****
Ricardo: "I use square root 25 and square root 36."
Riley: "It should be between square root 36 and square root 49."
Rhiannon: "Use square root 49 and square root 64 to estimate."

11.Which of these nonterminating decimals can be converted into a rational number? (1 point)
0.626226222...
0.020220222...
0.123123123...****

12.Sam is installing square ceramic tiles on his bathroom floor. The area of each tile is 97 square inches. To the nearest inch, what is the length of one side of the tile?
9 in
10 in****
29 in
49 in

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1. 3. Irrational.

4. D^2 = 15^2 + 8^2, D = 17.

5. You can test each choice by taking
the cube root or raising it to the 1/3
power:
100^(1/3) = 4.64
125^(1/3) = 5 = A perfect cube.

6. Whole number/Integer.

7. 9/10.

8. Sqrt(35) = 5.92 In.
Cut the 6-in. piece.

10. Riley: Sqrt(36) = 6, Sqrt(49) = 7.
Sqrt(37) = 6.08. Very close.

12. Sqrt(97) = 9.85 or 10.

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2. i need help

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5. wow me

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6. sigh

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7. U4 L11 Connexus.

B
C
D
D
C
B
A
C
B
B
B
C
1/2 and 15/17 are do it yourselves.

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8. I cant for sure say that he is wrong but his 2nd answer is wrong in my tests case im pretty sure they change the questions on each test to avoid cheating so dont trust all the answers if you read at all most of these have a formula so all you have to do is complete them using a calculator

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