Absolute Value
|20|
= 20
Is the x axis vertical or horizontal?
horizontal
7 + (-5)
2
5 - (-5)
10
-20 ? -21
>
|-1,000,000,001|
= 1,000,000,001
If I said I was at an elevation of 200 feet below sea level, where would you graph that on a number line?
-200 on the y axis
25 + (-19)
6
-15 - (-10)
-5
- 1/2 -0.5
=
What does absolute value measure? Can it be negative?
The absolute value measures the distance a number is from zero. It can never be negative.
Which of these is equal to zero? 0/6 or 6/0. Explain
0/6 is equal to zero because it is impossible to have 6 pieces out of nothing (0)
-10 + (-4)
-14
-23 - (-24)
=1
-4.873 ? -4.783
<
|-3 x 7|
= 21
Order the numbers from least to greatest:
3, 7, -2, -9, 0, -5
-9, -5, -2, 0 , 3, 7
-125 + (-21)
-146
Subtracting a negative is the same as what operation?
adding
(square root) of 25 ? 7
<
Is this possible? -2 + |f| = 1. If you said yes, what number would f have to be equal to?
It is possible, f would have to be 3 or -3
What quadrant would the point (-7, 1)
Quadrant 2
-5 + 7 - (-3)
= 5
350 - (-6) + 40
396
|122 | ? -136
>