Square roots and Math

SoccerBoss
Category:
Algebra
Price: $5 USD

Question description

1. 
Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? (1 point) 

Rosa: "Use square root 9 and square root 25 to estimate." 
Roberto: "I will use square root 4 and square root 9." 
Andrea: "It should be square root 11 and square root 12." 
Inno: "Use square root 9 and square root 16 to find the estimate." 

2. 
Joy knits a square blanket that has an area of 1,500 square inches. What is the approximate length of each side of the blanket? (1 point) 

16 inches 
27 inches 
39 inches 
42 inches 

3. 
An example of an irrational number is _____. (1 point) 

negative square root 17 
square root 16 
negative square root 9 
square root 1 

4. 
Which statement is true? (1 point) 

Every real number is an integer. 
Every rational number is a real number. 
Every rational number is a perfect square. 
Every integer is an irrational number. 

5. 
Which two sqare roots are used to estimate square root 47? (1 point) 

square root 25 and square root 36 
square root 25 and square root 49 
square root 36 and square root 49 
square root 49 and square root 64 

6. 
An estimate for –negative square root 72 is _____. (1 point) 

– 8.1 
– 8.5 
– 9.1 
– 9.5 

7. 
Mason is an architect and is drawing the plans for a room addition for a client. If the shape of the room is a cube, what is the volume in cubic feet if the length is 23 feet? (1 point) 

529 
1,024 
12,167 
32,768 

8. 
The area of a circle is found with the formula A = pi r squared, where pi represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet? (1 point) 

10 
13 
14 
17 



my answers: 
1. Inno 
2. 39 inches 
3. -√17 
4. Every rational number is a real number 
5. √36 and √49 
6. -8.5 
7. 12,167 
8. 14

Tutor Answer

(Top Tutor) Daniel C.
(997)
School: Rice University
PREMIUM TUTOR
Studypool has helped 1,244,100 students
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1830 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors