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
