Exercise: 1-F
MULTIPLE CHOICE QUESTIONS
Q1: The absolute value of 5 is
Step 1: Absolute value of a number is always positive.
Step 2: |5| = 5
Correct Answer: d. 5
Q2: The additive inverse of -7 is
Step 1: Additive inverse of a number is the number which gives zero when added to the original number.
Step 2: -7 + 7 = 0
Correct Answer: a. 7
Q3: The sum of two integers is -8. If one of them is 5, then the other is
Step 1: Let the other number be x.
Step 2: x + 5 = -8
Step 3: x = -8 – 5 = -13
Correct Answer: d. -13
Q4: The successor of -41 is
Step 1: Successor means the next number, i.e., add 1.
Step 2: -41 + 1 = -40
Correct Answer: d. -40
Q5: The value of (-7)×6+(-7)×14 is
Step 1: Apply distributive property:
Step 2: (-7)×6 + (-7)×14 = (-7)(6 + 14)
Step 3: (-7)(20) = -140
Correct Answer: c. -140
