Answer Key

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Answer Key (Self explanatory)

I. Represent the following Integers.

You should find the Directions, Length, Altitude, Quantity at Outcome para malaman mo kung positive(+) ilalagay mo or negative (-).

1.) Going 10 blocks North.

Answer: +10 (North,  Going)

2.) Withdraw of 2500 pesos from a bank.

Answer: -2500 (Withdraw. Diba kapag kumukuha ka ng pera sa bangko nababawasan ang pera mo? Kaya negative ang nilagay ko kasi nabawasan siya.)

3.) A drop of 5°C in temperature.

Answer: -5 (Drop. Nababawasan kaya Negative ang sign)

4.) An increase of 4 points in a grade.

Answer: +4 (Increase. Nadadagdagan kaya Positive sign) 

5.) Winning by 21 points in a game.

Answer: +21 (Winning.)

II.  Laws of Exponents/ Operations on Monomial.

Understanding is needed here.

6.) a decreased by nine.

Answer: a-9 (parang a minus 9)

7.) To square of c.

Answer: c² (c squared)
8.) The product of 5 and x.

Answer: 5(x) (parang 5 times x)

9.) m added by fifteen.

Answer: m+15

10.) The difference of 8 and d.

Answer: 8-d (8 minus d)

III. Multiplication of Monomials.

11.) (x³) (x²)= x5

Sol'n: (x³) (x²)
              =3+2
              =x5

12.) (2y⁴) (y)= 2y5

Sol'n: (2y⁴) (y)
             = 2y⁴+ 1
             =2y5

13.) (4b) (-3b²)= 12b³

Sol'n: (4b) (-3b²)
             = 4(-3) b³
             = -12b³

14.) (-5a²) (-4b)= 20a²b

Sol'n: (-5a²) (-4b)
              =5(-4) (a²b)
              =20 a²b

15.) (2m²n) (4m²n²)=  8m⁴n²

Sol'n: (2m²n) (4m²n²)
              =2(4)m⁴n²
              =8m⁴n²

IV. Kinds of Set.

16.) It is the set with an exact number of elements.

Answer: FINITE

17.) Set of an indefinite number of elements.

Answer: INDEFINITE

18.) Sets with common elements.

Answer: JOINT

19.) Sets without common elements.

Answer:DISJOINT

20.) Sets with the same number of elements.

Answer: EQUIVALENT

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