All ACT Math Resources
Example Question #13 : Negative Numbers
What is ?
A negative number divided by a negative number always results in a positive number. divided by equals . Since the answer is positive, the answer cannot be or any other negative number.
Example Question #1 : How To Divide Negative Numbers
Solve for :
Begin by isolating your variable.
Subtract from both sides:
Next, subtract from both sides:
Then, divide both sides by :
Recall that division of a negative by a negative gives you a positive, therefore:
Example Question #11 : Negative Numbers
Solve the following equation:
The rule for dividing negative numbers is the same as for multiplying negative numbers.
If both numbers are negative, you will get a positive answer.
If either number is positive, and the other is negative, you will get a negative answer.
Example Question #12 : Negative Numbers
Choose the answer which best solves the following equation:
To solve, first put the equation in terms of :
First multiply the x to both sides.
Now divide by 12 to solve for x.
Here, because one of the numbers in the equation is positive, and the other is negative, the answer must be a negative number: