MN1881_set1 Question 1 Write the additive inverse of -5/17.
Options A. –17/5,
B. 17/5,
C. 5/17,
D. 17/-5
Hint The sum of a rational number and its additive inverse will give the result as zero.
Correct Option C Question 2 Find the multiplicative inverse of -12/13.
Options A. 13/12
B. -13/12
C. 12/13
D. 12/-13
Hint The multiplicative inverse of p/q is q/p.
Correct Option B Question 3 Find: {-1/3 * 2/5}+{-1/3*(-5/7)}
Options A. 13/107
B. 17/115
C. 19/125
D. 11/105
Hint Apply the distributive property of multiplication over addition and find the final result.
Correct Option D Question 4 Evaluate x (y+ 9) for x=2/3 and y=7/2 using the distributive property of rational numbers.
Options A. 5/18…show more content… Correct Option A
MN1881_set2 Question 1 Find the result of the following: -2/5 * 1/3 + 7/5 - 1/3 * 1/10
Options A. 37/150
B. 29/30
C. 37/30
D. 7/15
Hint First apply the commutative property and then the distributivity of multiplication over addition and then simplify.
(Note: Commutative property is not mentioned in the Nugget. Should it still be there as a hint in the assessment?)
Correct Option C Question 2 Name the property under multiplication used in the following: -2/7 * 1 = 1 * -2/7 = -2/7
Options A. Additive identity
B. Multiplicative inverse
C. Multiplicative identity
D. Commutatively
Hint When any rational number is multiplied by 1, we get the same rational number as the product.
Correct Option C Question 3 7/9 is the multiplicative inverse of _____.
Options A.
B.
C.
D.
Hint Multiplying a rational number with its reciprocal or multiplicative inverse gives the result as 1.
Correct Option B Question 4 0.4 is the multiplicative inverse of _____.
Options A.
B.
C.
D.
Hint Multiplying a rational number with its reciprocal or multiplicative inverse gives the result as 1.
Correct Option
