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## Moving Straight Ahead 4.2Document Transcript

• Agenda Monday, Nov. 16 homework 6 MSA p. 78 # 2 - 14 Daily Scribe? - Do Now Take 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 0.60 the 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
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• Slope ratio of rise run Pull Pull rate of change Pull Pull &quot;m&quot; in the linear equation y = mx +b Pull Pull can be positive or negative Pull Pull ratio of vertical (y) change horizontal (x) change Pull Pull
• Lines that slant upward from left to right have a positive slope.
• Lines that slant downward from left to right have a negative slope.
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• Y-intercept How can you find the y -intercept given 2 points on the line (3,3) and (5,9) 9 3 y 5 3 x
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