AnswersCommon Core Math 7 - MA3107 CRPercent Increase and Decrease

Dividing Integers Answers

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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
2
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A football team has attempted 6 running plays. The change in field position resulting from each play is shown in the table.Running Play OutcomesPlay 1–3 yardsPlay 22 yardsPlay 3–1 yardPlay 4–2 yardsPlay 5–3 yardsPlay 61 yardWhat is the average change in field position per running play?

A
–6 yards per play
B
–1 yard per play
C
0 yards per play
D
1 yard per play
3

What is the value of the expression ?

Question illustration
A
–180
B
–5
C
5
D
24
4

Jordan is using a number line to model the division expression . What should be a step in his work?

Question illustration
A
Draw a chain of bounces to the right, 12 units wide, starting at –24 and ending at 12.
B
Draw a chain of bounces to the left, 12 units wide, starting at 0 and ending at –24.
C
Draw a chain of bounces to the right, 12 units wide, starting at 0 and ending at 24.
D
Draw a chain of bounces to the left, 12 units wide, starting at 24 and ending at 0.
5

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
6

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.
7

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.
8

Jin solves the equation .Which solution would help Jin determine the reasonableness of his answer?

Question illustration
A
dividing –25 by –10
B
multiplying –25 by –10
C
dividing –200 by –10
D
multiplying –200 by –10
9

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.
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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Dividing Integers Answers — Common Core Math 7 …