Vocab
Whole numbers that are larger than zero
Positive Numbers
A deposit of $200
+ $200
-2, 5, 0, 7, l -1 l
-2, 0, l -1 l, 5, 7
Which is greater -12 or l -12 l?
l -12 l
What is the name of the horizontal axis?
Vertical number line in a coordinate plane
y-axis
An increase of 15 degrees
+ 15 degrees
l -3 l, 0, 4, -7, -8
-8, -7, 0, l -3 l, 4
What is l 0 l ?
0
What is the name of the vertical axis?
y-axis
a number's distance from zero (this is always positive)
Absolute Value
300 feet below sea level
- 300 feet
l -1 l, 0, l 9 l, -5, 3
-5, 0, l -1 l, 3, l 9 l
The opposite of -12 is..
12
What is the name of where two axis cross on a coordinate plane?
origin
all positive, negative and neutral numbers
Integers
Withdrawal of $50
- $50
-2, l -6 l, 0, 2, l -5 l
-2, 0, 2, l -5 l, l -6 l
Sometimes True, Always True or Never True: The absolute value of a positive number is it's opposite?
Never true (absolute value of a positive number is itself)
Which quadrant would the point (-2, 3) be in?
Quadrant 2
numbers the same distance from zero, but on opposite sides of the number line
opposites
The stock market rose 20 points
+ 20 points
-15, l -14 l, 0, 18, l 20 l
-15, 0, l -14 l, 18, l 20 l
Always True, Sometimes True or Never True: The absolute value of a number is greater than the number?
Sometimes True (it's true for negative numbers but not for 0 or positive numbers)
Which quadrant will (-3, -2) be in?
Quadrant 3