Question

Q-1: p and q are rational numbers. Which of the following expressions cannot be used to find the distance between them on the number line.
A-1:
A. |p - q|
B. |p + q|
C. |q + (-p)|
D. |q - p|

Q-2: Subtract.
15 - (-4) = _____.

Q-3: Which of the following is another way to express the difference between -5 and 8?

A-3:
A. -5 - (-8)
B. -5 + 8
C. 8 - 5
D. -5 + (-8)

Q-4: Miles owes one of his friends $8. If he borrows $15 from his parents, which of the following expressions could be used to find how much money he has?

A-4:
A. 8 - 15
B. -8 + 15
C. -8 - 15
D. 8 + 15

Q-5: Which of the following is another way to express the problem 1 - (-7)?

A-5:
A. -1 + (-7)
B. 1 + (-7)
C. 1 + 7
D. -1 + 7

Q-6: Evaluate -36 - (-14).

A-6:
A. -50
B. -22
C. 22
D. 50

Q-7: Subtract. -11 - (-6) =_____.

Please answer each one or most of them.

Answer 1

1) b
2) 19
3) c
4) b
5) c
6) b
7) -5

Answer 2

Ans.1) Option B because it wont sum of p and q wont give the distance between them.

Ans.2) 19. because 15-(-4) = 15+4 =9

Ans.3) option D. because -5 + (-8) = (-5) - 8 which is the difference between them while all others are their sum.

Ans.4) Option.B because -8 + 15 = 15-8 that is the money left after he gives his friend the money he owe.

Ans.5) Option C. because 1-(-7) = 1+7

Ans.6) Option B. because -36-(-14)= -36+14= -22

Ans.7) -5. because -11-(-6) = -11 + 6 = -5