SHOW YOU KNOW (page 82)
Write the prime factorization of each number. Which number is not a perfect square?
Explain how you know.
PRIME FACTORIZATION- a number written as the product of its prime factors.
45 is not a perfect square because it has an odd number of factors of 3 and 5.
TEXTBOOK QUESTIONS 1, 5, 10, and 16. (page 85 and 86)
1. Explain how to square the number 7.
answer:
To square number 7, multiply it to itself. Then you'll get 49.
7 x 7 = 49.
5. a) Determine the prime factorization of 4.
b) Is 4 a perfect square? Explain.
c) Draw the square and label it's side length.
answer:
a.)
b.)Yes, 2 appeared two times. If you multiply 2 to itself, you'll get 4.
c.)
10. Determine the area of a square with each side length.
a) 20
b) 17
answer:
a) 20 cm x 20 cm = 400 square units
b) 17 cm x 17 cm = 289 square units
15. EVALUATE.
a.) `square root 9
b.) `square root 25
c.) `square root 1600
answer:
a.) The square root of 9 is 3.
3 x 3 = 9 / 3 multiply by itself, you'll get 9.
b.) The square root of 25 is 5.
5 x 5 = 25 / 5 multiply by itself, you'll get 25.
c.) the square root of 1600 is 40.
40 x 40 = 1600 / 40 multiply by itself, you'll get 1600.
HERE ARE SOME VIDEOS TO HELP YOU:
HERE ARE SOME GAMING SITES YOU MAY WANT TO CHECK OUT:
LINKS:
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