Scribe of the Day.... Lena
Today is March 12, 2008
And in math class we learn about…
Explicit Formula's
Explicit Formula- Operation with linear equation involves multiplication/division or addition and subtraction
Today's Example:
0,3
1,5
2,7
3,9
4,11
x, 2x+3
The explicit Formula is- y=2x+3
TODAY'S TERM OF THE DAY
SLOPE
Slope= Rise/Run it represents the ratio of going from one point to the next.
Slope= y2-y1/x2-x1
Looks confusing right.... Well it's not
Just look at it this way...
0,3 is the starting point right
3 is your Y intercept
If X is Zero you can find your Y intercept by looking at the number
Slope=Intercept= intercept form
EASIEST WAY TO KNOW!!!!
y=mx+b
M=slope
B=y-intercept
Y=Intercept from
Here how we would graph it
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