itzyoPatrish_Trish
New member
- Joined
- Nov 3, 2014
- Messages
- 1
3.1
Manipulated and Independent Variables
Example: 1mi/2in
On tables
--not in 3.1
Rate of Change(fraction form)
yx and y-x--points can exist in only QI and QIII
-yxand -y-x--the points can exist in only QII and QIV
Manipulated and Independent Variables
- what is the logic behind ‘y’ over ‘x’
- why in a table it’s the exact opposite.
- when writing the rate of change for it(in fraction) what goes on top
Example: 1mi/2in
- why is x first in the equation
- why is X simplest(why 1, not 2mi/4in)
On tables
Hawk diving to prey- time(s) | 3 | 6 | x |
Altitude(ft) | 60 | 40 | y |
- x is a factor of 3, would that mean anything (other than reinforcing the fact that I can simply the fraction to prove it is linear)
- if so, would that mean x = 9
- Logic-how did we go from drawing a graph(to see if linear)-to-->> all these shortcuts
- X and adding 3; yes, I know its how we find constant rate of change
- when putting in fraction and simplifying to see if it is linear(how come to that conclusion)
- how is that different from the fraction for rate of change
- if it goes through zero, how is it proportionate
--not in 3.1
Rate of Change(fraction form)
yx and y-x--points can exist in only QI and QIII
-yxand -y-x--the points can exist in only QII and QIV
- But how did the minus happen; is that even possible in real life
- Why are some graphs curved
- why is there an ‘m (y=mx)
- what is a constant
- why do we need it
- what is the logic behind it
- m = (y2 - y1) / (x2 - x1)- how did we come to use that equation
- logic behind rise and run