1.
-2 (9)
Correct Answer
B. -18
2.
-8 (-7)
Correct Answer
D. 56
Explanation
Negative times negative is positive.
3.
3/-1
Correct Answer
C. -3
Explanation
In division the same rules apply as in multiplication. If one of the numbers is negative, the answer is negative.
4.
(-8)/(-2)
Correct Answer
A. 4
Explanation
Two negatives being divided is positive.
5.
12(8)
Correct Answer
A. 96
Explanation
Regular multiplication- positive times a positive is still positive.
6.
7 / (-5)
Correct Answer
D. -7/5
Explanation
The given expression is 7 divided by -5. When dividing a positive number by a negative number, the result is always negative. Therefore, the correct answer is -7/5.
7.
15/-3
Correct Answer
B. -5
Explanation
The given expression is 15 divided by -3. When we divide a positive number by a negative number, the result is always negative. Therefore, the correct answer is -5.
8.
-12/4
Correct Answer
A. -3
Explanation
The given expression -12/4 can be simplified by dividing -12 by 4, which equals -3. Therefore, the correct answer is -3.
9.
(10)(9)
Correct Answer
B. 90
Explanation
The given expression can be interpreted as follows: multiply 10 by 9 to get 90, and then divide 90 by 9 to get the answer of 10. However, since the question asks for the answer in the form of a single number, the correct answer is 90.
10.
-5(8)
Correct Answer
C. -40
Explanation
The given expression is -5 multiplied by 8, which equals -40.
11.
-14/-7
Correct Answer
A. 2
Explanation
The given expression is -14/-7. When we divide -14 by -7, we get a positive result because dividing two negative numbers gives a positive result. Therefore, the answer is 2.
12.
-18 (20)
Correct Answer
D. -360
Explanation
The given answer, -360, is obtained by multiplying the first number, -18, by the second number, 20. This multiplication results in -360, which matches the given answer.
13.
28/4
Correct Answer
B. 7
Explanation
The given expression is 28 divided by 4. When we divide 28 by 4, we get the quotient 7. Therefore, the answer is 7.
14.
-22/-11
Correct Answer
B. 2
Explanation
The given expression is -22 divided by -11. When dividing two negative numbers, the result is always positive. Therefore, -22 divided by -11 equals 2.
15.
16/-8
Correct Answer
D. -2
Explanation
The given expression is 16 divided by -8. When we divide two numbers with opposite signs, the result is always negative. Therefore, the answer is -2.
16.
-5/-25
Correct Answer
D. 1/5
Explanation
The given expression is -5 divided by -25. When dividing two negative numbers, the result is always positive. Therefore, -5 divided by -25 is equal to 1/5.
17.
-23 (2)(-1)
Correct Answer
A. 46
Explanation
An even number of negatives makes a positive. An odd number of negatives would still be negative- there is no partner for the last one.
18.
-7(8)
Correct Answer
D. -56
Explanation
The given expression -7(8) can be simplified by performing the multiplication first. When we multiply -7 by 8, the result is -56. Therefore, the correct answer is -56.
19.
8 (3) (-4)
Correct Answer
B. -96
Explanation
To find the value of the expression 8 (3) (-4), we follow the order of operations, which is parentheses, multiplication, and then addition or subtraction. First, we solve the expression inside the parentheses, which is 3. Then, we multiply 8 by 3, resulting in 24. Finally, we multiply 24 by -4, giving us -96. Therefore, the correct answer is -96.
20.
-1 (-1) (1) (-1) (1) (-1) (-1)
Correct Answer
B. -1
Explanation
The given sequence is -1, -1, 1, -1, 1, -1, -1. The answer -1 is the first number in the sequence.