Answers Troll - Pre-Algebra - MA3119 ADividing Fractions

Dividing Fractions — Unit test Answers

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When multiplying two negative integers, what is the sign of the product?

positive

negative

zero

one

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Which expression has the same value as ?

Negative 18 divided by 2

Negative 12 divided by (negative 3)

Negative 10 divided by 5

Negative 8 divided by (negative 4)

Which expression is undefined?

Negative 8 divided by (negative 8)

Negative 8 divided by 8

0 divided by 8

8 divided by 0

Which product is negative?

(Negative StartFraction 3 over 8 EndFraction) (Negative StartFraction 5 over 7 EndFraction) (one-fourth)

(StartFraction 3 over 8 EndFraction) (Negative StartFraction 5 over 7 EndFraction) (Negative one-fourth)

(StartFraction 3 over 8 EndFraction) (StartFraction 5 over 7 EndFraction) (one-fourth)

(Negative StartFraction 3 over 8 EndFraction) (Negative StartFraction 5 over 7 EndFraction) (negative one-fourth)

Which expression has the same value as the one below?

22 + (negative 22) + (negative 10)

22 + (22) + (negative 10)

22 + (negative 22) + (10)

22 + 0 + 32

Dan is using tiles to add . He begins with the tiles shown below.What is the sum of ?

–14

–2

What is the distance between –3 and 2 on the number line?

–5

–1

Which number line correctly shows 4.5 – 2.5?

A number line going from 0 to 4.5 in increments of 0.5. An arrow goes from 0 to 4.5 and then backwards from 4.5 to 2.

A number line going from negative 4.5 to 0 in increments of 0.5. An arrow goes from negative 4.5 to negative 2 and then backwards from 0 to negative 4.5.

A number line going from negative 2.5 to positive 4.5 in increments of 0.5. An arrow goes from negative 2.5 to 0 and also from 0 to 4.5.

A number line going from negative 4.5 to positive 2.5 in increments of 0.5. An arrow goes from 2.5 to 0 and from 0 to negative 4.5.

Which expression is equivalent to 63.56 + (–81.47)?

63.56 – 81.47

63.56 + 81.47

–63.56 – 81.47

–63.56 + 81.47

Which product is positive?

(Two-fifths) (Negative StartFraction 8 over 9 EndFraction) (Negative one-third) (Negative StartFraction 2 over 7 EndFraction)

(Negative Two-fifths) (StartFraction 8 over 9 EndFraction) (Negative one-third) (Negative StartFraction 2 over 7 EndFraction)

(Two-fifths) (StartFraction 8 over 9 EndFraction) (one-third) (StartFraction 2 over 7 EndFraction)

(Negative two-fifths) (Negative StartFraction 8 over 9 EndFraction) (one-third) (StartFraction 2 over 7 EndFraction)

What is the difference between –4 and 6?

–10

–2

What is the product of 25 and –6?

–150

–19

150

Emanuel used the calculations below to find the product of the given fractions. Step 1Step 2Step 3Step 4 In which step did his first error occur?

step 1

step 2

step 3

step 4

What is the value of ?

–5

–1

Which number is the additive inverse of –5?

–

Negative one-fifth

Rashal is adding the expression below.First, he rewrites the expression.Which number property did Rashal use to rewrite the expression?

associative property

commutative property

distributive property

identity property

Which addition does the model below represent?

8 + (negative 3)

2 + (negative 3)

5 + 3

5 + (negative 3)

Dylan scored a total of 48 points in first 4 games of the basketball season. Which equation can be used to find g, the average number of points he scores per game?

48 divided by 4 = g