Vocabulary
Define Absolute Value
The distance the number inside the absolute value sign is away from zero
Which sign makes this true: <, >, =
|-14|___|6|
>
Evaluate if
r = 2 s = -3 t = 5 u = -6
rt – s
13
12-15
-3
What quadrant would you graph a point if it was (-,+)?
Quadrant 2
Define integer
A whole number that is positive, negative, or zero
-|-5-4|
-9
Evaluate if
r = 2 s = -3 t = 5 u = -6
rst
-30
-6-8+1
-13
If you have an odd number of negatives in your multiplication sentence, will your answer be positive or negative? Give an example with your answer.
Negative
(-2)(-3)(-1)=-6
Define origin
-The place on a graph where the x and y axis meet
-(0,0) on a graph
-Where you start on a graph
Solve:
|3-12|-|-2|
7
Evaluate if
r = 2 s = -3 t = 5 u = -6
u ÷ s + u
-4
(-3)-(-5)
2
What quadrant is (0,4) plotted into?
y axis
Define Ordered Pair
location across, then up or down (x, y)
I run 2 miles north from my house to school because I forgot my phone in my locker. It wasn't there so I came back and checked the library 1/2 mile south of my house. I found it there and came immediately home. How much did I run?
5 miles
Evaluate if
r = 2 s = -3 t = 5 u = -6
r + s + t + u
-2
The temperature is 8 degrees. Over night, the temperature got down to 22 degrees below zero. How did the temperature change?
its dropped 30 degrees
(-30)
What is the additive inverse of 3a?
-3a
Define additive inverse
Instead of subtracting a number, you can add the opposite of the number behind the subtraction sign
Solve:
|7(4)-36+(-1)|+(-2)|-8(2)|
-23
Evaluate if
r = 2 s = -3 t = 5 u = -6
rstu
180
The roots of a plant are 5 inches below the ground. A year later, the roots grows 8 more inches. Write what this is saying in integers and solve it.
-5-8=-13
or
-5+(-8)=-13
Find the absolute value between the points
(-7,2) and (3,2).
10