SHOW YOU KNOW (page 82)

Write the

*of each number. Which number is not a perfect square?***prime factorization**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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