Agenda Monday, Nov. 16

homework   6  MSA  p. 78 # 2 ­ 14

Daily Scribe? ­ 

Do NowTake the measurements of your stairs and find the ratio 

of rise to run.   Express the ratio as a decimal.  Is the ratio within carpenter's guidelines?

the ratio of rise to run is between 0.45 and 0.60the rise plus the run is between 17 and 17 1/2 in. 

If not, are your stairs more or less steep than the guidelines?

 Problem 4.2

ratio of rise

run

PullPull

rate of change PullPull

"m" in the linear equation y = mx +b

PullPull

can be positive or negative PullPull

ratio of vertical (y) changehorizontal (x) change

PullPull

Slope

Lines that slant upward from left to right have a positive slope.

Lines that slant downward from left to right have a negative slope.

Y-intercept

How can you find the y-intercept given 2 points on the line (3,3) and (5,9)

9 3 y

5 3x

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