Your SlideShare is downloading. ×
Section 4.2 rate of change (math)
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Saving this for later?

Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime - even offline.

Text the download link to your phone

Standard text messaging rates apply

Section 4.2 rate of change (math)

1,801
views

Published on


0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,801
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
24
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Section 4.2 Rate of Change
  • 2. Rate of Change of a Linear Relationship The rate of change of a linear relationship is the steepness of the line. rise run Rate of Change =
  • 3. Rates of change are seen everywhere.
  • 4. The steepness of the roof of a house is referred to as the pitch of the roof by home builders.
  • 5. Give one reason why some homes have roofs which have a greater pitch . There is less snow buildup in the wintertime.
  • 6. Engineers refer to the rate of change of a road as the grade .
  • 7. They often represent the rate of change as a percentage .
  • 8. A grade of 8% would mean for every rise of 8 units there is a run of 100 units . = 8% 8 100 Rate of change =
  • 9. The steepness of wheelchair ramps is of great importance for safety. Rate of change of wheelchair ramp = 1 12 If the rise is 1.5 m, what is the run? Answer: 18 m because
  • 10. 3 m 5 m Determine the rate of change ( pitch ) of the roof.
  • 11. Determine the rate of change of each staircase. 2 3 3 3
  • 12. Determine the rate of change. Which points will you use to determine rise and run? = $5/hr 20 4 Earnings Number of Hours Worked What does this rate of change represent? The hourly wage
  • 13. Page 163 # 4 – 18 even