Agenda Nov. 16

6.1 - Slope of a line

Homework 8 p. 286 # 1 - 12For 10 - 12 graph, then figure rise/run

2001 2002 2003 2004 2005 2006 2007 2008

PARKER MIDDLE SCHOOL ENROLLMENT

SCHOOL YEAR

# O

F ST

UD

ENTS

EN

ROLL

ED

2000

530

540

550

560

570

580

590

600

ratio of rise

runPull

Pull

rate of change Pull

Pull

Pull

Pull

y2 - y1

x2 - x1

can be positive or negative Pull

Pull

ratio of vertical (y) changehorizontal (x) change Pul

lPull

Slope

Rate of Change =

change in ychange in x

vertical changehorizontal change

y2 - y1

x2 - x1

= =riserun

slope ==

5

2

riserun

52

=

Rate of Change =

change in ychange in x

vertical changehorizontal change

y2 - y1

x2 - x1

= =riserun

slope ==

WHITEBOARD PRACTICE:

Plot the points, then find the slope of the line between them:

(1, 5) (5, -1)-3/2

(-3, 4) (-2, -2) -6

(3, 4) (1, 0)2

(-4, -4) (6, -2) 1/5

Does Taz spin at a constant rate? If so, what is it?

change in spinschange in minutes

8,000 - 4,0004 - 2

4,000 2

2,000 spins per minute

Attachments

What_is_Slope__asf.asf