Need answers as soon as possible, will give brainiest and rate 5/5.


1: Solve x/-3 = -15.



45

-45

5

-5


2: Find the value of -7 + 3(-12) ÷ (-3).



-16

-19

-40

5


3: If f(n) = n^2 - n, then f(-4) is _____.



-20

20

12

-12


4: Which equation does not have the same solution as the others?



x/4 = 2

x - 9 = 17

x + 12 = 20

2x = 16


5: The solution to 2x - 5 = 27 is also a solution of which of the following equations?



3 + 5x = 58

3x - 2 = 31

2x + 3 = 35

27 - 2x = 5


6: Find the value of -8 - 12 - (-20).



24

-40

16

0


7: Evaluate -2x ^2y, if x = -3 and y = -1.



-12

-18

18

12


8: All of the following are equivalent except _____.



x - (-2)

-2 + x

x - 2

x + (-2)


9: Using the properties of equality to solve the equation -2b + 7 = -13, you would _____.



add 13 and then divide by -2

add 13 and then add 2

subtract 7 and then add 2

subtract 7 and then divide by -2


10:

Find the value of 6 + (-18) + (-13) + 9.



-14

-16

-46

-10


11: Which of the following algebraic equations could represent the sentence, "The product of a number and five is 11"?



x + 5 = 11

x - 5 = 11

x/5= 11

5x = 11


12: Which property of equality could be used to solve -3x = 348?



subtraction property

addition property

division property

multiplication property


13: Evaluate -3^3.



-27

-9

9

27


14: Solve x/2 - 3 = 7.



5

10

20

40


15: Sarah's age is five less than twice her sister's age. Sarah is fifteen years old.


Which equation could you use to solve for the age of Sarah's sister?



2x - 5 = 15

2(15) - 5 = x

15 = 5 - 2x

15 - 5 = 2x


16: Solve x/-4 - (-8) = 12.



16

80

-80

-16


17: Find the value of (-4)(6)(-7).



-178

168

178

-168


18: Evaluate 16 - 20 - (-8) - 9.



-21

-5

-12

-1