Multiplying Integers Answers

0 verified answers
1
Free Preview

How is the product of 2 and –5 shown on a number line?

A
A number line going from negative 10 to positive 10. An arrow goes from 0 to 5 and from 5 to 10.
Option A
B
A number line going from negative 10 to positive 10. An arrow goes from 10 to 5 and from 5 to 0.
Option B
C
A number line going from negative 10 to positive 10. An arrow goes from negative 10 to negative 5 and from negative 5 to 0.
Option C
D
A number line going from negative 10 to positive 10. An arrow goes from 0 to negative 5 and from negative 5 to negative 10.
Option D
2
Free Preview

Which point on the number line represents the product ?

Question illustration
A
Point A
B
Point B
C
Point C
D
Point D
3

Yan is climbing down a ladder. Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go. If Yan made 8 stops with no extra steps, which expression best shows another way to write the product of the number of ladder rungs that Yan climbed?

A
4 + 4 + 4 + 4
Option A
B
8 + 8 + 8 + 8
Option B
C
(Negative 1) (4 + 4 + 4 + 4)
Option C
D
(Negative 8) + (negative 8) + (negative 8) + (negative 8)
Option D
4

Laurie was scuba diving. Each time she dove 5 feet deeper, she would stop and clear her ears. Each time that this totaled 20 feet deeper, she would stop and check her instruments to make sure they were working properly. After Laurie had checked her instruments 3 times, she was at her maximum depth. Which expression best represents Laurie’s maximum depth?

A
(4) (negative 5) (3)
Option A
B
(Negative 4) (Negative 5) (Negative 3)
Option B
C
(Negative 5) (20) (3)
Option C
D
(Negative 5) (Negative 20) (Negative 3)
Option D
5

What is the product of any integer and –1?

A
The product is the opposite of the integer.
B
The product is the integer unchanged.
C
The product is positive.
D
The product is negative.
6

Clara multiplies and gets 42. Is her answer reasonable?

Question illustration
A
No, because the solution should have a negative answer.
B
No, because the solution should have a positive answer.
C
Yes, because the solution should have a negative answer.
D
Yes, because the solution should have a positive answer.
7

Bobby’s football team received four five-yard penalties in the first quarter, which meant his team lost yardage in their progress toward the goal line. If the team started at the 45-yard line and ended at the 25-yard line, what was the change in their progression down the field as a result of these penalties?

A
–20 yards
B
–5 yards
C
5 yards
D
20 yards
8

At 4 p.m., the temperature started to change drastically. Each hour, for three hours, the temperature decreased by 7°F. Which expression best shows another way to write the product for the temperature change?

A
7 + 7 + 7
Option A
B
7 + 7 + 7 + 7
Option B
C
(Negative 1) (7 + 7 + 7)
Option C
D
(Negative 7) + (Negative 7) + (Negative 7) + (Negative 7)
Option D
9

Which shows two expressions that are equivalent to ?

Question illustration
A
and
Option A
B
and
Option B
C
and
Option C
D
and
Option D
10

Parker wants to estimate the product of 12 and 4. He does the Math and gets 48. He wants to check the reasonableness of his answer, so he multiplies 10 by 4 and gets 40. Is Parker’s answer reasonable?

A
Yes, because his solution answer and estimate answer should be negative.
B
No, because only the answer to his estimation should be negative.
C
No, because 10 is less than 12, so his estimate should be greater than 48.
D
Yes, because 10 is less than 12, so his estimate should be less than 48.

Did you find these answers helpful?