SOLUTION: find the slope and the y-intercept of the graph of the linear equation?
y = -3x + 2
please explain and show graph in simple terms so I can learn this. I am really confused!
Algebra.Com
Question 1049171: find the slope and the y-intercept of the graph of the linear equation?
y = -3x + 2
please explain and show graph in simple terms so I can learn this. I am really confused!
Thanks
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Okey-dokey
This equation is in the slope-intercept form,
which means it looks like:
= slope
= y-intercept
----------------------
So you can read the slope and y-intercept
right off the equation
= slope
= y-intercept
---------------------
If this equation was in the so-called standard form,
, then you would have to get it
into the slope-intercept form.
( note that a's and b's are general and don't
actually transfer between the 2 forms )
---------------------------------------------
The thing to remember about slope is:
Positive slope is:
from the LOWER left to the UPPER right
Negative slope is:
from the UPPER left to the LOWER right
----------------------------------------
Here's the graph, and note the definition of slope
and the y-intercept at ( 0,2 )
-----------------------------------------------
If I change the equation to:
( positive slope ), then the graph is:
Hope this helps
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