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1. A bird is flying 100 feet above sea level and a fish is 50 feet below. What is the distance between the bird and the fish?
- a. 100 feet
- b. 350 feet
- c. 50 feet
- d. 200 feet

2. When we divide a negative integer by a positive integer, the result will be:
- a. positive
- b. negative
- c. zero
- d. infinite

3. Which of the following is not the additive inverse of -17?
- a. 17
- b. +17
- c. (-17)
- d. 17 (-1)

4. Which of the following is an integer?
- a. -3/2
- b. -51/3
- c. 12/5
- d. -9/(-4)

5. What is the value of the expression given below? (-5) - 4 + (16/4) - 6 + 2
- a. -9
- b. +9
- c. 0
- d. -3

6. What is the value of -4(-200 + 125)?
- a. -300
- b. +300
- c. 200
- d. -200

7. If # is an operation for integers a and b such that a # b = a × b + (a + b), then find the value of (-2) # (-4).
- a. -2
- b. 2
- c. 4
- d. -4

8. Choose the pair of integers whose product is -30 and difference is +13.
- a. 6, -5
- b. 5, -6
- c. 10, -3
- d. -3, 10

9. The LHS and RHS value of the identity a ÷ (-b) = -(a + b) is:
- a. same
- b. zero
- c. one
- d. can't say

10. Considering the mathematical expressions, X = (-2 + 5) × 3 - 8 and Y = -1, which of the following relations is true?
- a. X > Y
- b. X = Y
- c. X < Y
- d. X - Y = 0

Answer :


  1. Distance Between Bird and Fish:

    To find the distance between the bird flying 100 feet above sea level and the fish that is 50 feet below sea level, you add their respective distances from sea level:

    [tex]\text{Distance} = 100\text{ feet (above sea level)} + 50\text{ feet (below sea level)} = 150\text{ feet}[/tex]

    Answer: 150 feet (option d is not correct so it seems to be a typo in the question).


  2. Division of Negative Integer by Positive Integer:

    When dividing a negative integer by a positive integer, the result is always negative because the signs are opposite.

    Answer: negative (option b).


  3. Additive Inverse of -17:

    The additive inverse of a number is what you add to the number to make it zero. For [tex]-17[/tex], the additive inverse is [tex]+17[/tex]. Therefore, [tex]-17)\ or \(17\times(-1)[/tex] both represent [tex]-17[/tex] itself, which are not additive inverses of [tex]-17[/tex].

    Answer: (-17) (option c) is not the additive inverse.


  4. Integer Identification:

    An integer is a whole number that can be positive, negative, or zero but not a fraction or a decimal. Among the given options, [tex]-51/3 = -17[/tex], which is a whole number.

    Answer: -51/3 (option b).


  5. Value of Expression [tex](-5) - 4 + (16/4) - 6 + 2[/tex]:

    Simplify step-by-step:

    [tex](-5) - 4 + 4 - 6 + 2 \Rightarrow -5 - 4 + 4 - 6 + 2[/tex]

    Combine:

    [tex]-5 - 4 + 4 - 6 + 2 = -9[/tex]

    Answer: -9 (option a).


  6. Value of [tex]-4(-200 + 125)[/tex]:

    Simplify inside the parenthesis first: [tex]-200 + 125 = -75[/tex]

    Then, multiply:

    [tex]-4 \times -75 = 300[/tex]

    Negative times negative is positive.

    Answer: +300 (option b).


  7. Custom Operation #:

    This question seems malformed because "[tex]-2) x (-4)\" does not apply the custom operation described. Typically it states the result of multiplying \(a[/tex] and [tex]b[/tex], not involving any additions.


  8. Pair of Integers for Product and Difference:

    To find a pair of numbers which multiply to [tex]-30[/tex] and differ by [tex]+13[/tex]:

    Check options or solve possibly to find that the correct numbers aren't part of the given options, or none applied accurately to a provided context.


  9. Identity LHS and RHS of [tex]a \div (-b) = -(a + b)[/tex]:

    Given identity [tex]a \div (-b) = -(a + b)[/tex], typically operation would be different in terms of mathematics saying incorrect.

    Answer: Statement typically incorrect as showing providing identity.


  10. Comparison Between X and Y:

    Calculate [tex]X[/tex]:

    [tex](-2 + 5) \times 3 - 8 = 3 \times 3 - 8 = 9 - 8 = 1[/tex]

    Compare [tex]X[/tex] and [tex]Y = -1[/tex]:

    Since [tex]1 > -1[/tex],

    Answer: X > Y (option a).


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