Proportional Tables |
#1 |
Look at Table #1 that Ms. Mertens is holding up. Is it proportional? How do you know? |
Yes it is proportional. You multiply x by 1 to get y. |
#2 |
Look at Table #2 that Ms. Mertens is holding up. What is the constant of proportion? |
CP = 1/10 or 0.10 |
#3 |
Look at Table #3 that Ms. Mertens is holding up. What is the constant of proportion? |
CP= 4/9 or 0.44 |
#4 |
Look at Table #4 that Ms. Mertens is holding up. It is not proportional. What could you change to make it proportional? |
change 65 to75 OR change 15 to 13 |
#5 |
Look at Table #5 that Ms. Mertens is holding up. It is not proportional. What could you change to make it proportional? |
change 0 to 1/2 OR change 1 to 0 |
Proportional Graphs |
#1 |
For a graph to be proportional it must __________________. (2 answers) |
the line must be straight and it must go through the origin |
#2 |
Look at graph B. What is the constant of proportion? |
CP = 1 |
#3 |
Look at graph D. What is the constant of proportion? |
CP = 1/3 |
#4 |
Look at graph C. What is the constant of proportion? |
There isn't one. None. |
#5 |
Look at graph D. Name a set of points that would be on the graph? |
(3,1) OR (6,2) OR (9,3) etc... |