Fall semester exam review| math Flashcards
What is the absolute value of a number
Its the distance from the number line
Is the absolute value always positive or negative?
positive!!!
When multiplying and dividing integers, what do you do when both numbers have the same signs (positive or negative)
The answer will be positive
When multiplying and dividing integers, what do you do when the numbers have different signs
(positive or negative)
The answer will always be negative
When adding and subtracting integers, what do you do when both numbers have the same signs (positive or negative)
You add them and use the sign they both have
When adding and subtracting integers, what do you do when each number has a different sign?
You subtract them and take the sign of the bigger number
What does (d) stand for?
*distance
What does (R) stand for
*Rate (speed)
What does (T) stand for?
*time (hours)
How do you solve for Distance
Rate (R) times Time (T)
To find the Y for X you do what?
Y divided by X