Notes Over 2.1 Graph the numbers on a number line. Then write two inequalities that compare the two numbers. 1. - 4 and - 7 2. - 2.3 and - 2.8 l l.

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Presentation transcript:

Notes Over 2.1 Graph the numbers on a number line. Then write two inequalities that compare the two numbers. 1. - 4 and - 7 2. - 2.3 and - 2.8 l l l l l l l l l l l l l -8 -7 -6 -5 -4 -3 -2 -1 0 -3 -2 -1 0

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 -8 -6 -4 -2 0 2 4 6

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 -4 -3 -2 -1 0 1 2 3 4 5 -3 , -2.5 , -1.5 , 2 , 4.5

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 -3 -2 -1 0 1

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:

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:

Notes Over 2.1