AnswersPre-Algebra - MA3119 A Distance LearningDividing Integers

Dividing Integers Answers

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1
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The price of a stock decreased by 60 cents one week, decreased 10 cents the next week, and decreased another 20 cents the following week. What is the average change in the price of the stock over the three weeks?

A
–270 cents per week
B
–90 cents per week
C
–87 cents per week
D
–30 cents per week
2
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A quality control manager is inspecting four digital scales to see if they accurately reflect a weight of 0 ounces. The table shows the weight displayed on four empty scales.Empty Scale Weight DisplaysScale 1–1 ounceScale 2–2 ouncesScale 30 ouncesScale 4–1 ounceWhat is the average error in the scale displays?

A
–4 ounces
B
–1 ounces
C
0 ounces
D
1 ounce
3

Veronica wants to check her work after evaluating . What steps can she follow to verify her answer?

Question illustration
A
Divide her answer by –6 and see if the result is –108.
B
Divide her answer by –108 and see if the result is –6.
C
Multiply her answer by –6 and see if the result is –108.
D
Multiply her answer by –108 and see if the result is –6.
4

Which expression can be used to check the answer to ?

Question illustration
A
Negative 14 times n
Option A
B
n divided by (negative 14)
Option B
C
56 times (negative 14)
Option C
D
n divided by 56
Option D
5

Louise used this figure to model the expression .What error did Louise make in her model?

Question illustration
A
The small arrows are pointed in the wrong direction.
B
The small arrows should all end in the same place as the large one.
C
The arrows should start at zero.
D
There should be one large arrow and 20 small arrows.
6

Alicia drove 265 miles in 5 hours. What is the average rate that she traveled?

A
49 miles per hour
B
51 miles per hour
C
53 miles per hour
D
55 miles per hour
7

Which expression is modeled by this arrangement of tiles?

Question illustration
A
40 divided by (negative 10)
Option A
B
40 divided by 10
Option B
C
40 divided by 40
Option C
D
40 divided by 40
Option D
8

Which situation is best modeled with a division expression?

A
the total cost of 4 pints of strawberries that sell for $3 each
B
the cost per pint of 3 pints of blueberries if the total cost was $6
C
the cost per pint of raspberries after applying a $1 coupon if the normal price was $3 each
D
the total cost of a pint of blackberries that sells for $3 and a pint of cherries that sells for $4
9

The quotient of two numbers is negative. What must be true about the two numbers?

A
The dividend is negative.
B
The divisor is negative.
C
Either the dividend or the divisor is negative, but not both.
D
Both the divisor and the dividend are negative.
10

Which expression is modeled by this set of arrows on the number line?

Question illustration
A
Negative 6 divided by (negative 3)
Option A
B
Negative 6 divided by 3
Option B
C
6 divided by (negative 3)
Option C
D
6 divided by 3
Option D

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