1. Notes Over 2.1
Graph the numbers on a number line. Then write two inequalities that compare the two numbers.
and - 7
and - 2.8
l l l l l l l l l
l l l l

2. Notes Over 2.1
Graph the numbers on a number line. Then write two inequalities that compare the two numbers.
3. 5 and - 6
l l l l l l l l

3. Notes Over 2.1
Write the numbers in increasing order.
4. 2, -3, -2.5, 4.5, -1.5
First think of their graph.
l l l l l l l l l l -3
, -2.5
, -1.5
, 2
, 4.5

4. Notes Over 2.1 Write the numbers in increasing order.
First think of their graph.
l l l l l l l l l l

5. Notes Over 2.1
Find the opposite of the number. Then find its absolute value.
Opposite - two numbers that are the same distance from the origin but on opposite sides.
Absolute value - distance from the origin
Opposite:
Opposite:
Opposite:
Absolute Value:
Absolute Value:
Absolute Value:

6. Notes Over 2.1
Find the speed and the velocity of the object.
Speed - positive form of the rate.
Velocity - indicates speed and direction, can be positive or negative.
9. A duck hawk descends at 150 miles per hour when striking its prey.
10. A balloon descends at 17 feet per second when landing.
Speed:
Speed:
Velocity:
Velocity:

7. Notes Over 2.1