• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Proportions review
 

Proportions review

on

  • 3,835 views

 

Statistics

Views

Total Views
3,835
Views on SlideShare
1,135
Embed Views
2,700

Actions

Likes
0
Downloads
2
Comments
0

3 Embeds 2,700

http://ncvps.blackboard.com 2698
http://www.slideshare.net 1
http://ncvps.blackboard.net 1

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    Proportions review Proportions review Presentation Transcript

    • Example: 2 6 Write the original proportion. 3 9 9 2 6 3 Use the cross product property. If the cross products are equal, then 18 18 it is a proportion.
    • Example: 2 6 Write the original proportion. x 9 9 2 6 x Use the cross product property. 18 6x Divide both sides by 6 to isolate the 6 6 variable, then simplify. 3 x
    • If the model is 5 inches tall, how tall is the actual building in feet? To find the actual height of the building, use the ratio from the previous step to write a proportion to represent the question above. 4 inches 5 inches 15 feet x 4 x 5 15 Use the cross product. 4x 75 Isolate the variable, then simplify. 4 4 x 18.75 feet Don’t forget your units.