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07 MA Sem 1 Final (2023-24)

Last updated over 2 years ago

13 questions

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7.NR.1.1

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7.NR.1.1

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7.NR.1.1

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7.NR.1.1

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7.NR.1.2

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7.PAR.2.1

7.PAR.2.2

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7.PAR.2.1

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7.PAR.2.1

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7.PAR.2.1

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Question 1

1.

Question 2

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Question 3

3.

Question 4

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Question 5

5.

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7.NR.1.3

7.NR.1.4

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7.NR.1.3

7.NR.1.4

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7.NR.1.3

7.NR.1.4

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7.NR.1.3

7.NR.1.4

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

What is the sum of a number and its opposite?

1

The same number

-1

0

In a football match, if team A scored -3 and team B scored 3, what is the combined score?

3

-6

6

0

Which pair of numbers can be added to make 0?

0 and 7

-7 and 7

7 and 7

-7 and -7

In terms of temperature, if it's 15 degrees inside a room and -15 degrees outside, what's the sum?

-30 degrees

0 degrees

15 degrees

30 degrees

On the number line above, the numbers a and b are the same distance from 0. What is a+b?

a+b=0 because adding opposites together is 0.  

a+b=1 because b is negative and a is positive,which creates a difference by 1.

a+b is impossible because both have different symbols. 

a+b=5 because it is the distance from 0 for both.

Use this to answer the next few questions.

Ojos del Salado is the highest mountain in Chile, with a peak at about 6900 meters above sea level. The Atacama Trench, just off the coast of Peru and Chile, is about 8100 meters below sea level (at its lowest point).

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Which of the following expressions is equivalent to 4(3x - 2)?

12x - 2

7x - 8

12x + 8

12x - 8

If 2(3x + 5) - 4x = 14, what is x?

4

5

3

2

Which of the properties of operations is the best to apply when simplifying the expression 2x + 3 + 4x + 1?

Identity Property

Distributive Property

Associative Property

Commutative Property

Which of the following expressions represents the Distributive Property?

a(bc) = (ab)c

a(b + c) = (a + b)c

a(b + c) = ab + ac

ab = ba

What is the difference in elevation between the peak of Ojos del Salado and the lowest point of the Atacama Trench?

13000 meters

12000 meters

15000 meters

14000 meters

If you start from sea level and go to the top of Ojos del Salado, how many meters have you climbed?

7900 meters

6900 meters

8100 meters

6000 meters

If a submarine was at sea level and descended to the lowest point of the Atacama Trench, how many meters would it have descended?

9100 meters

7100 meters

8100 meters

6900 meters

If you are at the top of Ojos del Salado and descend to the lowest point of the Atacama Trench, how many meters you have descended?

13000 meters

14000 meters

15000 meters

16000 meters